People fill sandbags to reinforce the dam due to the flooding of the Danube river at Tahitotfalu, Hungary, on Monday, Sept. 16, 2024. (AP Photo/Denes Erdos)

This handout photo provided by the Polish fire department, shows a flooded area near the Nysa Klodzka river in Nysa, Poland on Monday, Sept. 16, 2024. (KG PSP Photo via AP)

People fill sandbags to reinforce the dam due to the flooding of the Danube river at Tahitotfalu, Hungary, on Monday, Sept. 16, 2024. (AP Photo/Denes Erdos)

This handout photo provided by the Polish fire department, shows a flooded area near the Nysa Klodzka river in Nysa, Poland on Monday, Sept. 16, 2024. (KG PSP Photo via AP)

A dam is built to protect Margaret Island in Budapest, Hungary, due to the flooding of the Danube river on Monday, Sept. 16, 2024. (AP Photo/Denes Erdos)

A view of the southern Görlitz district of Weinhübel and the Neiße river overflowing its banks, in Germany, Monday, Sept. 16, 2024. (Paul Glaser/dpa via AP)

People fill sandbags to reinforce the dam due to the flooding of the Danube river at Tahitotfalu, Hungary, on Monday, Sept. 16, 2024. (AP Photo/Denes Erdos)

An electricity pylon stands in the flood waters of the Neisse, in the Hagenwerder district of Görlitz, Germany, Monday, Sept. 16, 2024. (Paul Glaser/dpa via AP)

Dark clouds are seen over the Parliament building in Budapest, Hungary, during the flooding of the Danube river on Monday, Sept. 16, 2024. (AP Photo/Denes Erdos)

Soldiers build barriers with sandbags against flood water at the bank of Danube River in Pilismarot, Hungary, Monday, Sept. 16, 2024. (Robert Hegedus/MTI via AP)

A resident walks through a flooded street in Liotvel, Czech Republic, Monday, Sept. 16, 2024. (AP Photo/Petr David Josek)

This handout photo provided by the Polish fire department, shows a flooded area near the Nysa Klodzka river in Nysa, Poland on Monday, Sept. 16, 2024. (KG PSP Photo via AP)

Residents ride bicycles through a flooded street in Litovel, Czech Republic, Monday, Sept. 16, 2024. (AP Photo/Petr David Josek)

Dark clouds are seen over the Parliament building in Budapest, Hungary, during the flooding of the Danube river on Monday, Sept. 16, 2024. (AP Photo/Denes Erdos)

View of the Bratislava castle as the water level of the Danube river rises during recent floods in Slovakia, Monday, Sept. 16, 2024. (AP Photo/Tomas Hrivnak)

A car is stucked on a river bank after recent floods in Domasov, Czech Republic, Monday, Sept. 16, 2024. (AP Photo/Petr David Josek)

An aerial view of a flooded neighbourhood in Ostrava, Czech Republic, Monday, Sept. 16, 2024. (AP Photo/Darko Bandic)

Soldiers build barriers with sandbags against flood water at the bank of Danube River in Pilismarot, Hungary, Monday, Sept. 16, 2024. (Robert Hegedus/MTI via AP)

An aerial view of a flooded neighborhood in Ostrava, Czech Republic, Monday, Sept. 16, 2024. (AP Photo/Darko Bandic)

View of the river Elbe in flood, in Rathen, Germany, Monday Sept. 16, 2024. The water levels continue to rise in Saxony. (Jan Woitas/dpa via AP)

A resident rides a bicycle through a flooded street in Litovel, Czech Republic, Monday, Sept. 16, 2024. (AP Photo/Petr David Josek)

An aerial view of the River Neisse overflowing its banks, south of Görlitz, Germany, Monday, Sept. 16, 2024. (Paul Glaser/dpa via AP)

An aerial view of a flooded neighbourhood in Ostrava, Czech Republic, Monday, Sept. 16, 2024. (AP Photo/Darko Bandic)

An aerial view of a flooded neighborhood in Ostrava, Czech Republic, Monday, Sept. 16, 2024. (AP Photo/Darko Bandic)