RIO DE JANEIRO, BRAZIL - MAY 18:  The Complexo do Alemao pacified community, or 'favela' is viewed from a cable car on May 18, 2014 in Rio de Janeiro, Brazil. Ahead of the 2014 FIFA World Cup, Rio has seen an uptick in violence in its pacified slums, including Complexo do Alemao. A total of around 1.6 million Rio residents live in shantytowns, many of which are controlled by drug traffickers.  (Photo by Mario Tama/Getty Images)