Residents on the roof of a house threatened by a forest fire at Makrimalli village, on the island of Evia, northeast of Athens, Tuesday, Aug. 13, 2019. Hundreds of firefighters battled wildfires in Greece Tuesday, with the largest burning out of control through a thickly forested nature reserve on the island of Evia north of Athens where four villages and a monastery were evacuated. (AP Photo/Yorgos Karahalis)

A resident sprays water at a forest fire from a balcony of a house in Makrimalli village, on the island of Evia, northeast of Athens, Tuesday, Aug. 13, 2019. Hundreds of firefighters battled wildfires in Greece Tuesday, with the largest burning out of control through a thickly forested nature reserve on the island of Evia north of Athens where four villages and a monastery were evacuated. (AP Photo/Yorgos Karahalis)

Firemen and residents try to extinguish a forest fire in Makrimalli village, on the island of Evia, northeast of Athens, Tuesday, Aug. 13, 2019. Hundreds of firefighters battled wildfires in Greece Tuesday, with the largest burning out of control through a thickly forested nature reserve on the island of Evia north of Athens where four villages and a monastery were evacuated. (AP Photo/Yorgos Karahalis)

Firemen and residents try to extinguish a forest fire in Makrimalli village, on the island of Evia, northeast of Athens, Tuesday, Aug. 13, 2019. Hundreds of firefighters battled wildfires in Greece Tuesday, with the largest burning out of control through a thickly forested nature reserve on the island of Evia north of Athens where four villages and a monastery were evacuated. (AP Photo/Yorgos Karahalis)

A firefighting helicopter drops water over a forest fire in Makrimalli village, on the island of Evia, northeast of Athens, Tuesday, Aug. 13, 2019. Hundreds of firefighters battled wildfires in Greece Tuesday, with the largest burning out of control through a thickly forested nature reserve on the island of Evia north of Athens where four villages and a monastery were evacuated. (AP Photo/Yorgos Karahalis)

A resident struggles with a hose as he tries to extinguish a forest fire in Makrimalli village, on the island of Evia, northeast of Athens, Tuesday, Aug. 13, 2019. Hundreds of firefighters battled wildfires in Greece Tuesday, with the largest burning out of control through a thickly forested nature reserve on the island of Evia north of Athens where four villages and a monastery were evacuated. (AP Photo/Yorgos Karahalis)

A firefighting helicopter drops water over a forest fire at Makrimalli village, on the island of Evia, northeast of Athens, Tuesday, Aug. 13, 2019. Hundreds of firefighters battled wildfires in Greece Tuesday, with the largest burning out of control through a thickly forested nature reserve on the island of Evia north of Athens where four villages and a monastery were evacuated. (AP Photo/Yorgos Karahalis)

Residents and a fireman look at a forest fire closing in on a house in Makrimalli village, on the island of Evia, northeast of Athens, Tuesday, Aug. 13, 2019. Hundreds of firefighters battled wildfires in Greece Tuesday, with the largest burning out of control through a thickly forested nature reserve on the island of Evia north of Athens where four villages and a monastery were evacuated. (AP Photo/Yorgos Karahalis)

A resident struggles with a hose as he tries to extinguish a forest fire in Makrimalli village, on the island of Evia, northeast of Athens, Tuesday, Aug. 13, 2019. Hundreds of firefighters battled wildfires in Greece Tuesday, with the largest burning out of control through a thickly forested nature reserve on the island of Evia north of Athens where four villages and a monastery were evacuated. (AP Photo/Yorgos Karahalis)