A woman reacts in her flooded house after a heavy storm in Bourtzi, Evia island, Greece, on Aug. 9, 2020. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)

Photo taken on Aug. 9, 2020 shows a scene after a heavy storm in Bourtzi, Evia island, Greece. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)

People ride on a tractor after a heavy storm in Bourtzi, Evia island, Greece, on Aug. 9, 2020. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)

Photo taken on Aug. 9, 2020 shows a scene after a heavy storm in Bourtzi, Evia island, Greece. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)

Photo taken on Aug. 9, 2020 shows a scene after a heavy storm in Bourtzi, Evia island, Greece. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)

People clear the debris at their house after a heavy storm in Bourtzi, Evia island, Greece, on Aug. 9, 2020. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)

Photo taken on Aug. 9, 2020 shows a vehicle submerged in the water after a heavy storm in Bourtzi, Evia island, Greece. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)

Photo taken on Aug. 9, 2020 shows a scene after a heavy storm in Bourtzi, Evia island, Greece. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)

A helicopter flies over Bourtzi, Evia island, Greece, on Aug. 9, 2020. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)

A woman reacts at the doorstep of her flooded house after a heavy storm in Bourtzi, Evia island, Greece, on Aug. 9, 2020. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)

Photo taken on Aug. 9, 2020 shows a scene after a heavy storm in Bourtzi, Evia island, Greece. The death toll from the extreme weather phenomena which swept through Evia island in central Greece on Sunday climbed to seven with two more people were found dead, according to the latest announcement by local authorities. (Xinhua/Marios Lolos)