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TO GO WITH AFP STORY BY NATALIA RAMOS Syrian refugees attend a Portuguese class at the Do Pari mosque in downtown Sao Paulo, Brazil on March 4, 2015. The Pari mosque hosts a muslim charity association which organizes Portuguese language courses for refugees and helps them get their Brazilian papers. AFP PHOTO / NELSON ALMEIDA (Photo credit should read NELSON ALMEIDA/AFP/Getty Images)

TO GO WITH AFP STORY BY NATALIA RAMOS
Syrian refugees attend a Portuguese class at the Do Pari mosque in downtown Sao Paulo, Brazil on March 4, 2015. The Pari mosque hosts a muslim charity association  which organizes Portuguese language courses for refugees and helps them get their Brazilian papers.  AFP PHOTO / NELSON ALMEIDA        (Photo credit should read NELSON ALMEIDA/AFP/Getty Images)