For years, geologists and geographers from Brazil and abroad have been studying the landscapes that shape the floodplain of the Rio Negro, in the southern portion of the Pantanal. Even after all this time, the experts were unaware that under a huge carpet of aquatic plants, there was a huge hidden lake.
In a paper published in October in the scientific journal Earth Surface Processes and Landforms, researchers from São Paulo universities described the discovery of a lake that occupies an area equivalent to a little over two-thirds of the city of São Paulo. “It was almost impossible to...