China's first cargo spacecraft, Tianzhou-1, undocked from Tiangong-2 space lab at 4:15 p.m. BJT on Sunday. - CGTN

China's first cargo spacecraft, Tianzhou-1, undocked from Tiangong-2 space lab at 4:15 p.m. BJT on Sunday.

2017-09-18 12:20 GMT+8

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