Photo taken on Sept. 19, 2014 shows the Incheon Asiad Main Stadium, where the opening ceremony of the 17th Asian Games will be held, in Incheon, South Korea. (Xinhua/Han Yuqing)

Photo taken on Sept. 19, 2014 shows the main torch tower standing outside of the Incheon Asiad Main Stadium, where the opening ceremony of the 17th Asian Games will be held, in Incheon, South Korea. (Xinhua/Gong Lei)

An actor performs traditional South Korean dance at the plaza of Incheon Asiad Main Stadium in Incheon, South Korea, Sept. 19, 2014. The opening ceremony of the 17th Asian Games will be held here on late Friday. (Xinhua/Huang Zongzhi)

Actors perform traditional South Korean dance at the plaza of Incheon Asiad Main Stadium in Incheon, South Korea, Sept. 19, 2014. The opening ceremony of the 17th Asian Games will be held here on late Friday. (Xinhua/Huang Zongzhi)

South Korean children wearing Asian costumes pose for group photo with a mascot of Incheon Asiad in Incheon, South Korea, Sept. 19, 2014. The opening ceremony of the 17th Asian Games will be held here on late Friday. (Xinhua/Huang Zongzhi)

Members of a Chinese family pose for group photo at Incheon Asiad Main Stadium in Incheon, South Korea, Sept. 19, 2014. The opening ceremony of the 17th Asian Games will be held here on late Friday. (Xinhua/Gone Lei)

An actor performs traditional South Korean dance at the plaza of Incheon Asiad Main Stadium in Incheon, South Korea, Sept. 19, 2014. The opening ceremony of the 17th Asian Games will be held here on late Friday. (Xinhua/Huang Zongzhi)