What did Sisomphone Vongpharkdy do at the 2000 Summer Olympics opening ceremony as mandated by the Olympic Charter?
Sisomphone Vongpharkdy:  He was the flag bearer of Laos during the 2000 Summer Olympics opening ceremony. 2000 Summer Olympics opening ceremony:  As mandated by the Olympic Charter, the proceedings combined the formal and ceremonial opening of this international sporting event, including welcoming speeches, hoisting of the flags and the parade of athletes, with an artistic spectacle to showcase the host nation’s culture and history.
flag bearer of Laos