First, I plan to leave fro S. America in June for 3 months. I fly into Sao Paulo. Which would be a better route, head south through Argentina and up through peru then back down though brazil to Sao Paulo? Or the other way around? Which way does the amazon flow, dont want to be going up river. Also, is it rather easy to re-enter brazil so that I can fly home? What is the process on that? New Visa, what? Thanks!!!
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