China mobilizes troops to wage war against Vietnam in 1979

誓师大会 Source

A collection: Making a documenatry about sent down youth in 1973

All the photos were taken in Yunnan at a state-farm in December 1973. Source

This picture was taken in Yunnan. The sent down youth was from Shanghai. Source

The pictures depict the SDY's arrival. The youth are coming from 武汉拖拉机厂. Source

Luoyang, 王城公园 Source

Zhou Enlai visited the Longmen Grottoes in Luoyang, Henan with Canadain Prime Minister Pierre Trudeau. October 14, 1973 Source

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Wuchang First Railroad School, Hubei (武昌铁一中74届九班) Source

These images appear to all be from 1974, when the submarine was completed. Source Source 2