A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

The Frecce Tricolore (Three-color Arrows) Italian Air Force aerobatic squad flies over the new San Giorgio Bridge on the occasion of its inauguration in Genoa, Italy, Monday, Aug. 3, 2020. Two years ago this month, a stretch of roadbed collapsed on Genoa's Morandi Bridge, sending cars and trucks plunging to dry riverbed below and ending 43 lives. On Monday, Italy's president journeys to Genoa for a ceremony to inaugurate a replacement bridge. (AP Photo/Luca Bruno)

The Frecce Tricolore (Three-color Arrows) Italian Air Force aerobatic squad flies over the new San Giorgio Bridge on the occasion of its inauguration in Genoa, Italy, Monday, Aug. 3, 2020. Two years ago this month, a stretch of roadbed collapsed on Genoa's Morandi Bridge, sending cars and trucks plunging to dry riverbed below and ending 43 lives. On Monday, Italy's president journeys to Genoa for a ceremony to inaugurate a replacement bridge. (AP Photo/Antonio Calanni)

The Frecce Tricolore (Three-color Arrows) Italian Air Force aerobatic squad flies over the new San Giorgio Bridge on the occasion of its inauguration in Genoa, Italy, Monday, Aug. 3, 2020. Two years ago this month, a stretch of roadbed collapsed on Genoa's Morandi Bridge, sending cars and trucks plunging to dry riverbed below and ending 43 lives. On Monday, Italy's president journeys to Genoa for a ceremony to inaugurate a replacement bridge. (AP Photo/Luca Bruno)

The Frecce Tricolore (Three-color Arrows) Italian Air Force aerobatic squad flies over the new San Giorgio Bridge on the occasion of its inauguration in Genoa, Italy, Monday, Aug. 3, 2020. Two years ago this month, a stretch of roadbed collapsed on Genoa's Morandi Bridge, sending cars and trucks plunging to dry riverbed below and ending 43 lives. On Monday, Italy's president journeys to Genoa for a ceremony to inaugurate a replacement bridge.??(Gian Mattia D'Alberto/LaPresse via AP)

The new San Giorgio Bridge is illuminated in the colors of the Italian flag, on the occasion of its inauguration in Genoa, Italy, Monday, Aug. 3, 2020. Two years ago this month, a stretch of roadbed collapsed on Genoa's Morandi Bridge, sending cars and trucks plunging to dry riverbed below and ending 43 lives. On Monday, Italy's president journeyed to Genoa for a ceremony to inaugurate a replacement bridge. (AP Photo/Antonio Calanni)

The San Giorgio Bridge is illuminated in the colors of the Italian flag, on the occasion of its inauguration in Genoa, Italy, Monday, Aug. 3, 2020. Two years ago this month, a stretch of roadbed collapsed on Genoa's Morandi Bridge, sending cars and trucks plunging to dry riverbed below and ending 43 lives. On Monday, Italy's president journeyed to Genoa for a ceremony to inaugurate a replacement bridge. (AP Photo/Antonio Calanni)

The San Giorgio Bridge is illuminated in the colors of the Italian flag, on the occasion of its inauguration in Genoa, Italy, Monday, Aug. 3, 2020. Two years ago this month, a stretch of roadbed collapsed on Genoa's Morandi Bridge, sending cars and trucks plunging to dry riverbed below and ending 43 lives. On Monday, Italy's president journeyed to Genoa for a ceremony to inaugurate a replacement bridge. (AP Photo/Antonio Calanni)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

Italian architect Renzo Piano walks on the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

Italian architect Renzo Piano walks on the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

Pietro Salini Chief Executive Officer of Webuild gestures as he walks on the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

Picture of the new San Giorgio bridge taken on its inauguration day, on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

Former Italy's Transport minister Danilo Toninelli looks at the new San Giorgio bridge on its inauguration day, on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

Pietro Salini Chief Executive Officer of Webuild gestures as he walks on the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

Italian architect Renzo Piano walks on the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

Italian architect Renzo Piano walks on the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

Pietro Salini Chief Executive Officer of Webuild walks on the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

Pietro Salini Chief Executive Officer of Webuild walks on the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

A rainbow is seen over the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by MIGUEL MEDINA / AFP)

A rainbow is seen over the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by MIGUEL MEDINA / AFP)

A double rainbow is seen over the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by MIGUEL MEDINA / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Miguel MEDINA / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Miguel MEDINA / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Miguel MEDINA / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Miguel MEDINA / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Miguel MEDINA / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Miguel MEDINA / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Miguel MEDINA / AFP)

A view of the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa, the new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Miguel MEDINA / AFP)

A picture taken on August 3, 2020 in Genoa shows the new San Giorgio bridge on its inauguration day. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Luca ZENNARO / POOL / AFP)

A picture taken on August 3, 2020 in Genoa shows the new San Giorgio bridge on its inauguration day. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Luca ZENNARO / POOL / AFP)

The Italian Air Force acrobatic unit Frecce Tricolori (Tricolored Arrows) perform over the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by MIGUEL MEDINA / AFP)

The Italian Air Force acrobatic unit Frecce Tricolori (Tricolored Arrows) perform over the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by MIGUEL MEDINA / AFP)

The Italian Air Force acrobatic unit Frecce Tricolori (Tricolored Arrows) perform over the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Miguel MEDINA / AFP)

The Italian Air Force acrobatic unit Frecce Tricolori (Tricolored Arrows) performs over the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Andreas SOLARO / AFP)

The Italian Air Force acrobatic unit Frecce Tricolori (Tricolored Arrows) perform over the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by MIGUEL MEDINA / AFP)

The Italian Air Force acrobatic unit Frecce Tricolori (Tricolored Arrows) perform past the new San Giorgio bridge on the inauguration day on August 3 , 2020 in Genoa. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Miguel MEDINA / AFP)

The Italian Air Force acrobatic unit Frecce Tricolori (Tricolored Arrows) performs over the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. (Photo by Andreas SOLARO / AFP)

A wide angle view shows the Italian Air Force acrobatic unit Frecce Tricolori (Tricolored Arrows) performing over the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. (Photo by Andreas SOLARO / AFP)

The Italian Air Force acrobatic unit Frecce Tricolori (Tricolored Arrows) performs over the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. (Photo by Andreas SOLARO / AFP)

A wide angle view shows the Italian Air Force acrobatic unit Frecce Tricolori (Tricolored Arrows) performing over the new San Giorgio bridge on its inauguration day on August 3, 2020 in Genoa. - Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. (Photo by Andreas SOLARO / AFP)

A picture taken on August 3, 2020 in Genoa shows a rainbow above the new San Giorgio bridge on its inauguration day. - The new high-tech structure will have four maintenance robots running along its length to spot weathering or erosion, as well as a special dehumidification system to limit corrosion. Italy inaugurates a sleek new bridge in Genoa, though relatives of the 43 people killed when the old viaduct collapsed say the pomp and ceremony risk overshadowing the tragedy. (Photo by Luca ZENNARO / POOL / AFP)