China plans to complete the in-orbit construction of its space station by the end of 2022. Its cargo spacecraft Tianzhou-4 is delivering supplies for the space station. How complicated is its construction?
Produced by Xinhua Global Service
China plans to complete the in-orbit construction of its space station by the end of 2022. Its cargo spacecraft Tianzhou-4 is delivering supplies for the space station. How complicated is its construction?
Produced by Xinhua Global Service
