The lake was man-made. July 1959 Source
Zhu De, Mao Zedong, and Liu Shaoqi welcome Zhou Enlai back from Moscow in 1964
Zhou Enlai went to Moscow for the 47 anniversary of the October Revolution November 14, 1964 at the Beijing Airport Source
Mao Zedong and Zhang Guotao in Yan’an in
July 3rd, 1938 Source
Mao receives Nie Yuanzi at Tiananmen in 1966
August 16. 1966 Source
Nicolae Ceausescu’s visit to China in 1971
https://www.youtube.com/watch?v=wU0_hwt3Riw More on the visit is available here. Source
