RIO DE JANEIRO, BRAZIL - SEPTEMBER 05: A man performs yoga at the top of the Babilonia favela, or community, on September 5, 2014 in Rio de Janeiro, Brazil. Rio de Janeiro's government aims to revitalize all of the city's favelas by 2020. Around 1.6 million people reside in Rio's favelas. (Photo by Mario Tama/Getty Images)
