Ballet dancers of Tianjin Opera rehearse for the performance "Jingwei" in Tianjin, China, July 8, 2009. The performance was based on a mythological story, in which a bird called "Jingwei" kept picking up pebbles to fill up the sea.  The story became a symbol of determination and perseverance in the face of seemingly impossible odds. [Xinhua]

Ballet dancers of Tianjin Opera rehearse for the performance "Jingwei" in Tianjin, China, July 8, 2009. The performance was based on a mythological story, in which a bird called "Jingwei" kept picking up pebbles to fill up the sea.  The story became a symbol of determination and perseverance in the face of seemingly impossible odds. [Xinhua]