Shenzhou XIII astronauts prep for return
Three astronauts stationed in China's Tiangong space station are preparing for their return trip in the middle of April, packing up personal items, experimental products and other materials, putting equipment into place and exercising to prepare their bodies for Earth's gravity. The astronauts, Zhai Zhigang, Wang Yaping and Ye Guangfu, have to tidy up a large number of materials, including