The cauldron is lit during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

The cauldron is lit during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

The cauldron is lit during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

The cauldron is lit during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

Photo taken on Aug. 31, 2013 shows the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province. [Photo: Xinhua]

China's Olympic swimming champion Luo Xuejuan (front) acts during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

Spectators look on during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

China's Olympic gymnastics champion Chen Yibing (C) poses with two mascots "Ningning" during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

Torchbearer Chinese astronauts Zhang Xiaoguang (R) transfers the torch during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

The cauldron is lit during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

Fencer and athletes representative Sun Yujie vows during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

Referee representative Huang Liping vows during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

The national flag of People's Republic of China is carried into the stadium during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

Spectators look on during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]

The national flag of People's Republic of China is seen fluttering during the opening ceremony of the 12th Chinese National Games in Shenyang, northeast China's Liaoning Province, Aug. 31, 2013. [Photo: Xinhua]