China's Vice-Foreign Minister Zheng Zeguang (C) speaks during a media briefing after the summit between Chinese President Xi Jinping and his US counterpart Barack Obama in Washington DC, the United States, March 31, 2016. China's Vice-Foreign Minister Zheng Zeguang told a media briefing after the Xi-Obama summit that the meeting was "positive, constructive and fruitful". [Photo/Xinhua] |