Members of Brazil's Movimento dos Sem-Teto (Roofless Movement) sleep on the floor of a vacant apartment in one of the 11 empty buildings that the movement took over in one night, in the centre of Sao Paulo, October 29, 2012. According to City Hall, there are some 400,000 people in need of stable housing, including the 4,000 families of the Roofless Movement who are squatting in abandoned or vacant buildings that range from apartment blocks to hotels, in Sao Paulo, the largest city in South America. (Photo by Nacho Doce/Reuters)
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