A police officer uniform placed by the NGO Rio de Paz (Peace Rio) is pictured on a cross on Copacabana beach, in memory of police officers killed in Rio de Janeiro, Brazil, December 10, 2015. Rio de Paz placed 61 pictures of police officers killed in confrontations with criminals in 2015 in Rio de Janeiro, according to the NGO. (Photo by Sergio Moraes/Reuters)
