A man with a dog walks past fire-fighting vehicles at the site where a man who drove into a carnival procession, on February 25, 2020 in Volkmarsen near Kassel, central Germany. - A car that rammed into a carnival procession in Volkmarsen on Rose Monday, February 24, 2020, injured 52 people, including 18 children, police said, adding that the perpetrator's motive remains unclear. (Photo by INA FASSBENDER / AFP)