A volunteer photographs a set of Olympic Rings at Olympic Park in Rio de Janeiro, Brazil, Friday, July 29, 2016.
A volunteer photographs a set of Olympic Rings at Olympic Park in Rio de Janeiro, Brazil, Friday, July 29, 2016. Patrick Semansky AP
A volunteer photographs a set of Olympic Rings at Olympic Park in Rio de Janeiro, Brazil, Friday, July 29, 2016. Patrick Semansky AP

Ready or not, Rio will host the first Olympics in South America

July 31, 2016 6:01 PM

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