Three Chinese astronauts have begun a six-month mission, to work on the country’s new space station.
It is China’s latest step towards making itself a leading space power for the decades ahead.
What is the Tiangong space station?
Last year, China put into orbit the first module of its Tiangong or “Heavenly Palace” space station. It plans to add more modules, such as Mengtian science lab, by the end of the year.
Next year, it will launch a space telescope, called Xuntian. This will fly close