Complex sentence: The opening ceremony was held on 5 December 2003 at the My Dinh National Stadium in Hanoi at 20:00 pm (VST) where the Vietnamese prime minister Phan Van Khai declare opened the games and the games torch was lit by Nguyen Thuy Hien of Wushu.
Split into simpler sentences: The opening ceremony was held on 5 December 2003 at the My Dinh National Stadium in Hanoi at 20:00 pm (VST). After that, Vietnamese prime minister Phan Van Khai declared the games opened and the games torch was lit by Nguyen Thuy Hien of Wushu.