CHONGQING, Jan. 5 (Xinhua) -- China's first astronaut cave-training mission has been accomplished in southwestern Chongqing Municipality, with 28 astronauts taking part.

Organized and led by the China Astronaut Research and Training Center, the nearly month-long training covered more than 10 subjects, including environmental monitoring, cave mapping, simulated space-to-ground communications and team-focused psychological training.■