Shenzhou-23 crew astronauts busy with experiments at space station

China Manned Space Agency releases the latest video of Shenzhou-23 crew astronauts at the Tiangong Space Station.

The three astronauts, Zhu Yangzhu, Zhang Zhiyuan and Lai Ka-ying have stayed at the space station for more than two months.

The video shows that Hong Kong astronaut Lai Ka-ying is collecting blood samples for studies on the changing patterns of human skeletal, nervous and other physiological systems during long-duration spaceflight. It also shows Lai and her teammates practicing different skills, including on-orbit teleoperation rendezvous and manual docking.