Amazon Basin

EARTH Amazon Basin -- 04 Oct 2002 -- This image shows a large part of the Brazilian Amazon Basin. The area is a lowlying valley nearly entirely covered by tropical rainforest. The Amazon river is the world\'s largest river in terms of volume of water discharged into the sea. The river\'s network also forms the world\'s largest drainage system, comprehending about 1100 rivers. The tributaries are very often referred to as \"white\" or \"black\" rivers. White rivers (their actual colour is yellowi