A disabled, homeless man (front) nicknamed "the advocate" walks with his briefcase in the yard of the Boracea shelter, which is haven to around 1,100 people, in Sao Paulo, May 25, 2011. Sao Paulo, South America's largest city, has an estimated 15,000 homeless people, 12 percent more than a year ago, with room for around 9,000 in existing shelters, according to a local government source. Picture taken May 25, 2011. REUTERS/Nacho Doce (BRAZIL - Tags: SOCIETY HEALTH)