After graduating from college in 2005, Wei Wei has been devoting himself to safeguarding the water quality of the Yangtze River in China's Chongqing. He feels proud of his work.
Produced by Xinhua Global Service
After graduating from college in 2005, Wei Wei has been devoting himself to safeguarding the water quality of the Yangtze River in China's Chongqing. He feels proud of his work.
Produced by Xinhua Global Service
