Chinese dragon boat athletes compete at an invitation race to welcome the Dragon Boat Festival, which is due on May 28, on a lake in Shanghai, east China, May 24, 2009.

Chinese dragon boat athletes compete at an invitation race to welcome the Dragon Boat Festival, which is due on May 28, on a lake in Shanghai, east China, May 24, 2009. [Photo: Xinhua]

Chinese dragon boat athletes compete at an invitation race to welcome the Dragon Boat Festival, which is due on May 28, on a lake in Shanghai, east China, May 24, 2009. [Photo: Xinhua]

Chinese dragon boat athletes compete at an invitation race to welcome the Dragon Boat Festival, which is due on May 28, on a lake in Shanghai, east China, May 24, 2009. [Photo: Xinhua]

Chinese dragon boat athletes compete at an invitation race to welcome the Dragon Boat Festival, which is due on May 28, on a lake in Shanghai, east China, May 24, 2009. [Photo: Xinhua]

Chinese dragon boat athletes compete at an invitation race to welcome the Dragon Boat Festival, which is due on May 28, on a lake in Shanghai, east China, May 24, 2009. [Photo: Xinhua]