Photo taken on Jan. 4, 2017 shows the wall of an open air museum in the Sinan Mansion in Shanghai, east China. The open air museum opened in the Sinan Mansion on Wednesday. (Xinhua/Pei Xin)
Photo taken on Jan. 4, 2017 shows the wall of an open air museum in the Sinan Mansion in Shanghai, east China. The open air museum opened in the Sinan Mansion on Wednesday. (Xinhua/Pei Xin)