A paifang arch collapses on the Hefang Street, a commercial street in Hangzhou, the capital of East China's Zhejiang province, on Aug 12, 2012. Two people were killed and another was injured in the accident. The arch was about five meters high and made from bricks and wood. The cause of the accident is under investigation. [Photo/Asianewsphoto]

Xu Lijia (center), gold medalist of Laser Radial sailing event, holds China's national flag at the Closing Ceremony of the London 2012 Olympic Games at the Olympic Stadium in London, Britain, Aug 12, 2012. [Photo/Xinhua]