Decorations and accessories with the colors of Brazil's National flag, are shown for sale in a popular street market, in downtown Sao Paulo, Brazil, on April 28, 2014. Sao Paulo will host on June 12, 2014, the FIFA World Cup 2014 opening match, between Brazil and Croatia. (Xinhua/Rahel Patrasso)

Decorations and accessories with the colors of Brazil's National flag, are shown for sale in a popular street market, in downtown Sao Paulo, Brazil, on April 28, 2014. Sao Paulo will host on June 12, 2014, the FIFA World Cup 2014 opening match, between Brazil and Croatia. (Xinhua/Rahel Patrasso)

Decorations and accessories with the colors of Brazil's National flag, are shown for sale in a popular street market, in downtown Sao Paulo, Brazil, on April 28, 2014. Sao Paulo will host on June 12, 2014, the FIFA World Cup 2014 opening match, between Brazil and Croatia. (Xinhua/Rahel Patrasso)

Decorations and accessories with the colors of Brazil's National flag, are shown for sale in a popular street market, in downtown Sao Paulo, Brazil, on April 28, 2014. Sao Paulo will host on June 12, 2014, the FIFA World Cup 2014 opening match, between Brazil and Croatia. (Xinhua/Rahel Patrasso)