arun shahi / Photos / BRASILIA: Balloons take off during a festival in honor of the city's birthday in Brasilia, Brazil, Friday April 20, 2012. The city, which celebrates its 52nd anniversary on April 21, was awarded the title of Cultural Patrimony of Humanity by the United Nations in 1987 and will host the opening match of the 2013 FIFA Confederations Cup and will also be one of the host cities for the 2014 FIFA World Cup soccer tournament.