Vietnamese in new WTF referee uniforms for Kyorugy and Poomsae competitions pose during the WTF 's Executive Council meeting in Ho Chi Minh City, Vietnam, on July 24, 2006. International poomsae referees will wear the new uniforms at the 1st WTF World Poomsae Taekwondo Championships scheduled for Sept. 4-6 this year in Seoul, Korea.