TOPSHOT - People walk along walkways built to cross flooded streets in the city centre of Manaus, capital of the Brazilian Amazonas State, on May 31, 2021. - The water level of the Rio Negro, a tributary of the Amazon river, reached 29,97 metres, the same record level as in the 2012 flood season. Manaus and 35 other cities have decreed a state of emergency due to the overflowing of the river. (Photo by Michael DANTAS / AFP)