Brazil. Sao Simao Reservoir, Brazil is featured in this image photographed by an Expedition 16 crewmember on the International Space Station (ISS). The Sao Simao reservoir, near the confluence of the Rio Paranaiba and Rio Verde in Brazil, is the featured subject in a milestone image of Earth. This colorful, patchwork image is the 300,000th image of Earth downlinked from the space station. There are now over 745,000 images of Earth taken by astronaut crews, beginning with the Mercury missions in 1961 and continuing to the present day on the ISS.[NASA]