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The Happiness Flag is seen as artists perform during the Opening Ceremony
Thursday, 12 June 2014
SAO PAULO, BRAZIL - JUNE 12: The Happiness Flag is seen as artists perform during the Opening Ceremony of the 2014 FIFA World Cup Brazil prior to the Group A match between Brazil and Croatia at Arena de Sao Paulo on June 12, 2014 in Sao Paulo, Brazil. (Photo by Elsa/Getty Images)