Samba carnival floats

A worker sweeps the floor near a carnival float at the Viradouro samba school's warehouse in Rio de Janeiro, Brazil, January 28, 2008. Viradouroi is one of the 12 samba schools that will parade along Rio's internationally famous Sambadrome during carnival, with parades beginning on February 2. (Photo/Reuters)

A worker prepares a carnival float depicting the Holocaust, at the Viradouro samba school's warehouse in Rio de Janeiro, Brazil, Jan. 28, 2008. (Photo/Reuters)