The opening ceremony of the 28th Olympic Games starts at 20:45 at the Olympic Stadium in Athens, Greece, Aug.13, 2004.(Xinhua Photo)

The opening ceremony of the 28th Olympic Games starts at 20:45 at the Olympic Stadium in Athens, Greece, Aug.13, 2004.(Xinhua Photo)

The opening ceremony of the 28th Olympic Games starts at 20:45 at the Olympic Stadium in Athens, Greece, Aug.13, 2004. The Olympic Games returned to their ancient birthplace and the city of their revival. (Xinhua Photo)

The opening ceremony of the 28th Olympic Games starts at 20:45 at the Olympic Stadium in Athens, Greece, Aug.13, 2004.(Xinhua Photo)

The opening ceremony of the 28th Olympic Games starts at 20:45 at the Olympic Stadium in Athens, Greece, Aug.13, 2004.(Xinhua Photo)