People remove the rubble following heavy rainfalls in Schuld, Germany, July 17, 2021. Rescue workers searched flood-ravaged parts of Germany and Belgium for survivors on Saturday after burst rivers and flash floods this week collapsed houses and claimed at least 157 lives. REUTERS/Wolfgang Rattay

A man in a excavator removes debris following heavy rainfalls in Schuld, Germany, July 17, 2021. Some 133 people have died in the flooding in western Germany, the country's worst natural disaster in more than half a century. REUTERS/Wolfgang Rattay

People remove the rubble following heavy rainfalls in Schuld, Germany, July 17, 2021. Around 700 residents were evacuated late on Friday after a dam broke in the town of Wassenberg near Cologne,. REUTERS/Wolfgang Rattay

A view of broken trees and debris with the Kreuzberg Castle seen in the background following heavy rainfalls in Kreuzberg, Germany, July 17, 2021. REUTERS/Wolfgang Rattay

People remove the rubble following heavy rainfalls in Schuld, Germany, July 17, 2021. REUTERS/Wolfgang Rattay

People burn the rubble following heavy rainfalls in Schuld, Germany, July 17, 2021. REUTERS/Wolfgang Rattay