Zhang Dejiang (4th L), chairman of the Standing Committee of China's National People's Congress (NPC), attends a joint group session during the 16th session of the 12th Standing Committee of the NPC to inquire the State Council about the implementation of Water Pollution Prevention and Control Law, in Beijing, capital of China, Aug. 29, 2014. Chinese Vice Premier Wang Yang answered questions at the session. (Xinhua/Liu Weibing)
