What's inside the Long March-7 carrier rockets assembly building?
Updated 20:24, 07-May-2022

The Wenchang Spacecraft Launch Site in south China's Hainan Province undertakes important missions to complete China's Tiangong Space Station. Before the launch mission of the Tianzhou-4 unmanned cargo spacecraft, CGTN reporter Zheng Yibing visited the carrier rocket's assembly and test building. Check it out.

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