Earth Trivia : Amazon river

The Amazon flowed into the Pacific Ocean side in old days.


The altitude of the Amazon is only 32m even goes back 1,600 km from estuary and is only 80 m going back 3,800km.

Wide lowland of large wetlands called Amazonia has spread.

It flowed into the Pacific Ocean side until the Andes upthrusted after Cenozoic era (3~5 million years ago).