In this May 18, 2017 photo, Rene de Almeida, who leads a group of cowboys, stands on a farm at dawn in Porto Rolon near the Taquari River in Corumba, in the Pantanal wetlands of Mato Grosso do Sul state, Brazil. While ranchers on the coasts can transport cattle with trucks, the excess of water and the shortage of roads make that impossible in the world's biggest floodplain. (Photo by Eraldo Peres/AP Photo)
