Shi, 28, works at the Tuotuohe Meteorological Station at an altitude of 4,534 meters, located at the source of the Yangtze River in the city of Golmud, northwest China's Qinghai Province.

BEIJING, April 25 (Xinhua) -- The three astronauts aboard China's Shenzhou-20 spaceship have entered the country's space station and met with another astronaut trio in the early hours of Friday, ...