Staff members clean up weeds at ruins of Yuanying Guan (Immense Ocean Observatory) at Yuanmingyuan in Beijing, capital of China, May 23, 2018. The four-month reinforcement project of ruins of Immense Ocean Observatory at the historical site of Yuanmingyuan started lately.(Xinhua/Luo Xiaoguang)
Reinforcement project of ruins at Yuanmingyuan starts
Source: Xinhua| 2018-05-23 20:06:41|Editor: Xiang Bo
