This photo taken on Sept. 9, 2023 shows buildings destroyed by flood at the city of Mucum, Rio Grande do Sul, Brazil. (Photo by Claudia Martini/Xinhua)
People walk by buildings destroyed by flood at the city of Mucum, Rio Grande do Sul, Brazil, on Sept. 9, 2023. (Photo by Claudia Martini/Xinhua)
People clean up a building at the city of Mucum, Rio Grande do Sul, Brazil, on Sept. 9, 2023. (Photo by Claudia Martini/Xinhua)
A man removes building debris on a street at the city of Mucum, Rio Grande do Sul, Brazil, on Sept. 9, 2023. (Photo by Claudia Martini/Xinhua)
People mourn during the burial of a victim at the municipal cemetery at the city of Mucum, Rio Grande do Sul, Brazil, on Sept. 9, 2023. (Photo by Claudia Martini/Xinhua)
Rescue workers clear mud and debris in a school at the city of Mucum, Rio Grande do Sul, Brazil, on Sept. 9, 2023. (Photo by Claudia Martini/Xinhua)
People remove house debris at the city of Mucum, Rio Grande do Sul, Brazil, on Sept. 9, 2023. (Photo by Claudia Martini/Xinhua)
This photo taken on Sept. 9, 2023 shows buildings destroyed by flood at the city of Mucum, Rio Grande do Sul, Brazil. (Photo by Claudia Martini/Xinhua)
People attend a rally to commemorate the victims at the Municipal gymnasium in Vespasiano Correa, Rio Grande do Sul, Brazil, on Sept. 9, 2023. (Photo by Claudia Martini/Xinhua)
People clean up a school at the city of Mucum, Rio Grande do Sul, Brazil, on Sept. 9, 2023. (Photo by Claudia Martini/Xinhua)
People clean up a school at the city of Mucum, Rio Grande do Sul, Brazil, on Sept. 9, 2023. (Photo by Claudia Martini/Xinhua)