Raimundo Mendes de Barros, 71, who has worked as a rubber extractor for 57 years, prepares to cut a Seringueira rubber tree in Chico Mendes Extraction Reserve in Xapuri, Acre state, Brazil, June 22, 2016. REUTERS/Ricardo Moraes SEARCH "CONDOMS OLYMPICS" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES.