AP WORLD CUP COUNT DOWN PHOTO GALLERY S WCUP WSOC SOC BRA

In this June 6, 2014, photo, a referee uses vanishing spray during a referee’s training session in Rio de Janeiro, Brazil. Referees will use vanishing spray during 2014 World Cup to stop defensive walls creeping forward at free-kicks. The international soccer tournament is set to begin in a few days, with Brazil and Croatia competing in the opening match on June 12. (AP Photo/Hassan Ammar) ORG XMIT: WCCD303