ANN ARBOR, Michigan, Sept. 15 -- The University of Michigan issued the following news:

Story by Fernanda Pires | Photos and Video by Eric BronsonPortugues

BRAZIL--It is early morning when a group of University of Michigan students embark on the boats in northwestern Brazil. The sun's intensity is still low, but its rays pierce the immense tree branches and reflect in the flooded forest's waters, one of the largest in the world. The sky already shines blue.