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The view from the Amazonian Tall Tower Observatory (ATTO), the tallest tower south of the Rio Grande, 1,000 feet in the air, 100 miles NE of Manaus. Image by Dan Grossman. Brazil, 2016.

The view from the Amazonian Tall Tower Observatory (ATTO), the tallest tower south of the Rio Grande, 1,000 feet in the air, 100 miles NE of Manaus. Image by Dan Grossman. Brazil, 2016.