Watch it again: Shenzhou XIII crew's journey back to Earth
China's Shenzhou XIII spaceship has completed all planned tasks and started its journey back to Earth.
The Shenzhou XIII mission sent the three taikonauts, Zhai Zhigang, Wang Yaping and Ye Guangfu, to the Tiangong space station on Oct 16 for a six-month stay - the longest-ever duration in the country's manned space program.

