A man walks in a flooded street in Porto Alegre, Rio Grande do Sul state, Brazil May 16, 2024. REUTERS/Adriano Machado

Chickens are stranded on a flooded street in Canoas, Rio Grande do Sul state, Brazil May 14, 2024. REUTERS/Adriano Machado

A woman walks next to closed stores in a flooded area in Porto Alegre, Rio Grande do Sul, Brazil, May 16, 2024.REUTERS/Diego Vara

A drone view shows cows that were rescued from the flood grazing next a freeway in Canoas, Rio Grande do Sul state, Brazil, May 14, 2024. REUTERS/Adriano Machado

Evandir Severo do Santos cleans his restaurant, which was partially destroyed, after the floods in Porto Alegre, state of Rio Grande do Sul, Brazil, May 16, 2024.REUTERS/Diego Vara

A view of a submerged house in the Harmonia neighborhood, in Canoas, Rio Grande do Sul, Brazil, May 15, 2024. REUTERS/Diego Vara

A drone view shows debris in a flooded area due to heavy rains, in Serraria in Porto Alegre, Rio Grande do Sul, Brazil, May 14, 2024. REUTERS/Diego Vara

A view of a submerged street sign in the Harmonia neighborhood, in Canoas, Rio Grande do Sul, Brazil, May 15, 2024. REUTERS/Diego Vara

A drone view of people being evacuated from their homes in a flooded area due to heavy rains, in Serraria in Porto Alegre, Rio Grande do Sul, Brazil, May 14, 2024. REUTERS/Diego Vara

Valderci Trindade, 24, who lost his house tries to save useful items in a flooded area due to heavy rains, in Serraria in Porto Alegre, Rio Grande do Sul, Brazil, May 14, 2024. REUTERS/Diego Vara

A view of a submerged houses in the Harmonia neighborhood, in Canoas, Rio Grande do Sul, Brazil, May 15, 2024. REUTERS/Diego Vara

A church is seen among the floods in the Harmonia neighborhood in Canoas, Rio Grande do Sul, Brazil, May 15, 2024. REUTERS/Diego Vara

A drone view of a highway in a flooded area in Canoas, Rio Grande do Sul state, Brazil May 14, 2024. REUTERS/Adriano Machado

A view of the flooded fishing hamlet of Paqueta in Canoas, Rio Grande do Sul state, Brazil, May 14, 2024. REUTERS/Adriano Machado

A drone view of people being evacuated from their homes in a flooded area due to heavy rains, in Serraria in Porto Alegre, Rio Grande do Sul, Brazil, May 14, 2024. REUTERS/Diego Vara

Nilton Beck Muradas looks on in his flooded farm in Canoas, Rio Grande do Sul state, Brazil, May 14, 2024. REUTERS/Adriano Machado

Mirian Chagas reacts when she finds her dog Billi in a flooded area in the Harmonia neighborhood, in Canoas, Rio Grande do Sul, Brazil, May 15, 2024. REUTERS/Diego Vara

Volunteers evacuate people from a flooded area on a boat in Porto Alegre, Rio Grande do Sul state, Brazil May 16, 2024. REUTERS/Adriano Machado

Volunteers ride on a boat at the flooded Casa de Cultura Mario Quintana in Porto Alegre, Rio Grande do Sul, Brazil, May 15, 2024. REUTERS/Diego Vara

Volunteers ride on a boat at the flooded Casa de Cultura Mario Quintana in Porto Alegre, Rio Grande do Sul, Brazil, May 15, 2024. REUTERS/Diego Vara

Brazilian army evacuates people from flooded areas in Serraria in Porto Alegre, Rio Grande do Sul, Brazil, May 14, 2024. REUTERS/Diego Vara

Stranded animals are seen on a roof in the flooded fishing hamlet of Paqueta in Canoas, Rio Grande do Sul state, Brazil, May 14, 2024. REUTERS/Adriano Machado

A cat is seen stranded on a roof in a flooded street in Canoas, Rio Grande do Sul state, Brazil May 14, 2024. REUTERS/Adriano Machado