A Muslim man prays as the destruction caused by the fatal floods is visible in the background, in Derna, Libya, September 20, 2023. REUTERS/Amr Alfiky TPX IMAGES OF THE DAY 

A view shows the destruction, in the aftermath of a deadly storm and flooding that hit Libya, in Derna, Libya September 20, 2023. REUTERS/Esam Omran Al-fetori 

A view shows the destruction, in the aftermath of a deadly storm and flooding that hit Libya, in Derna, Libya September 20, 2023. REUTERS/Esam Omran Al-fetori TPX IMAGES OF THE DAY 

A view shows the destruction, in the aftermath of a deadly storm and flooding that hit Libya, in Derna, Libya September 20, 2023. REUTERS/Esam Omran Al-fetori 

A view shows damaged cars and the destruction of Al Sahaba mosque, in the aftermath of a deadly storm and flooding that hit Derna, Libya September 17, 2023. REUTERS/Esam Omran Al-Fetori 

A view shows the destruction of Al Sahaba mosque, in the aftermath of a deadly storm and flooding that hit Derna, Libya September 17, 2023. REUTERS/Esam Omran Al-Fetori 

Men look at the destruction of Al Sahaba mosque, in the aftermath of a deadly storm and flooding that hit Derna, Libya September 17, 2023. REUTERS/Esam Omran Al-Fetori 

Health workers get rest after they sanitise the destruction areas following deadly floods, in Derna, Libya September 17, 2023. REUTERS/Ayman Al-Sahili 

A view shows the destruction, in the aftermath of the floods in Derna, Libya September 17, 2023. REUTERS/Esam Omran Al-fetori 

A view shows the destruction in the aftermath of the floods in Derna, Libya September 17, 2023. REUTERS/Esam Omran Al-fetori TPX IMAGES OF THE DAY 

A Libyan military runs among rubble and signs of destruction following floods in Derna, Libya, September 16, 2023. REUTERS/Amr Alfiky 

Search and rescue workers walk among rubble and signs of destruction following fatal floods in Derna, Libya, September 16, 2023. REUTERS/Amr Alfiky 

A view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Esam Omran Al-Fetori 

A view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Esam Omran Al-Fetori 

A view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Esam Omran Al-Fetori 

An aerial view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Ayman Al-sahili 

An aerial view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Ayman Al-sahili 

An aerial view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Ayman Al-sahili 

An aerial view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Ayman Al-sahili 

An aerial view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Ayman Al-sahili 

An aerial view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Ayman Al-sahili 

An aerial view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Ayman Al-sahili TPX IMAGES OF THE DAY 

A view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Esam Omran Al-fetori 

A view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Esam Omran Al-fetori 

A view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Esam Omran Al-fetori TPX IMAGES OF THE DAY 

A view shows the destruction, in the aftermath of the floods in Derna, Libya September 16, 2023. REUTERS/Esam Omran Al-fetori 

What caused the Libya floods and why have they been so destructive? A torrent of water burst dams, destroyed neighbourhoods and killed thousands. 

A view of the destruction after torrential rains destroyed the infrastructure and caused flooding in the area, near Kala Nera, Greece, September 7, 2023. REUTERS/Louisa Gouliamaki 

People embrace one another amid destruction after an extratropical cyclone hit southern towns, in Mucum, Rio Grande do Sul, Brazil, September 6, 2023. REUTERS/Diego Vara 

A woman looks at the destruction after torrential rains destroyed the infrastructure and caused flooding in the area, in Agria, central Greece September 6, 2023. REUTERS/Louisa Gouliamaki 

A view of the destruction in Kala Nera after torrential rains destroyed the infrastructure and caused flooding in the area, in Pelion, central Greece September 6, 2023. REUTERS/Louisa Gouliamaki 

A local priest looks at the destruction in Kala Nera after torrential rains destroyed the infrastructure and caused flooding in the area, in Pelion, central Greece September 6, 2023. REUTERS/Louisa Gouliamaki TPX IMAGES OF THE DAY 

A woman takes photos of destruction in an area flooded due to the impact of storm Daniel in the village of Nea Lefki, near Larissa, Greece, September 6, 2023. REUTERS/Kostas Mantziaris 

Marine One with U.S. President Joe Biden aboard lands as he arrives after touring Florida Hurricane Idalia storm destruction, in Rehoboth Beach, Delaware, U.S., September 2, 2023. REUTERS/Amanda Andrade-Rhoades 

Marine One with U.S. President Joe Biden aboard lands as he arrives after touring Florida Hurricane Idalia storm destruction, in Rehoboth Beach, Delaware, U.S., September 2, 2023. REUTERS/Amanda Andrade-Rhoades 

U.S. President Joe Biden stands next to a fallen tree as he tours Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden stands next to a fallen tree as he tours Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

First lady Jill Biden talks with people as she and U.S. President Joe Biden tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and first lady Jill Biden talk with people as they tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and first lady Jill Biden talk with people as they tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden talks with a woman as he and first lady Jill Biden tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

Frank Davis, Mayor of Live Oak, gestures next to the U.S. President Joe Biden, during his tour of Hurricane Idalia storm destruction, Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden shakes hands with a woman, next to first lady Jill Biden as they tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and first lady Jill Biden talk with people as they tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and first lady Jill Biden talk with a woman as they tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and first lady Jill Biden talk with a woman as they tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

People wait as U.S. President Joe Biden visits Live Oak during his tour of Hurricane Idalia storm destruction, in Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden shakes hands with a woman, next to first lady Jill Biden as they tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and first lady Jill Biden talk with people as they tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden and first lady Jill Biden talk with a woman as they tour Hurricane Idalia storm destruction in a neighborhood of Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden looks on during his tour of Hurricane Idalia storm destruction, Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden shakes hands with a child, next to first lady Jill Biden, during their tour of Hurricane Idalia storm destruction, Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. first lady Jill Biden shakes hands with a woman as she visits Live Oak during President Biden's tour of Hurricane Idalia storm destruction, in Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden, first lady Jill Biden and U.S. Senator?Rick?Scott?(R-FL) visit Suwannee Pineview Elementary School, during President Biden's tour of Hurricane Idalia storm destruction in Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden speaks near a damaged building, in front of first lady Jill Biden, during their tour of Hurricane Idalia storm destruction, Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden gestures next to U.S. Senator Rick Scott (R-FL), as President Biden visits Suwannee Pineview Elementary School, during his tour of Hurricane Idalia storm destruction in Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden speaks near a damaged building, in front of first lady Jill Biden, during their tour of Hurricane Idalia storm destruction, Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden speaks near a damaged building, in front of first lady Jill Biden, during their tour of Hurricane Idalia storm destruction, Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein 

U.S. President Joe Biden, first lady Jill Biden and U.S. Senator Rick Scott (R-FL) listen to a briefing as they visit Suwannee Pineview Elementary School, during President Biden's tour of Hurricane Idalia storm destruction in Live Oak, Florida, U.S., September 2, 2023. REUTERS/Evelyn Hockstein