Demonstrators rally to protest against the government of president Dilma Rousseff in Paulista Avenue in Sao Paulo, Brazil on 15 March, 2015. Tens of thousands of Brazilians turned out for demonstrations Sundays to oppose leftist president Dilma Rousseff, a target of rising discontent amid a faltering economy and a massive corruption scandal at state oil giant Petrobras. AFP PHOTO / Miguel SCHINCARIOL