A black-tufted marmoset monkey climbs on a cable on top of Sugarloaf Mountain in Rio de Janeiro ahead...
A black-tufted marmoset (Callithrix penicillata) monkey, known as "Mico-estrela" in Portuguese, climbs on a cable on top of Sugarloaf Mountain in Rio de Janeiro ahead of the 2014 World Cup, June 9, 2014. REUTERS/Paul Hanna (BRAZIL - Tags: ENVIRONMENT SOCCER SPORT WORLD CUP)