Christophe Simon
A Brazilian policeman checks the surroundings of a "Baile Funk" party at the Rocinha shantytown, in Rio de Janeiro, in March 2012. In 2008, authorities moved to regain control of favelas in Rio's South Zone, the richest and where most tourists stay, as the city geared up to host the 2014 World Cup and the 2016 Summer Olympics.
