A former Red guard revealed forbidden photos of Mao's car which had broken down before Mao and his cronies, Zhou Enlai and Lin Biao reached Tiananmen Square on 31st August, 1966, the day Mao set out to instruct thousands of young red guards at the start of the Cultural Revolution. The car was finally pushed to the side of the Square.

Former Premier Zhou Enlai held by a guard in the chaos. (screenshot)