The Shenzhou-20 crew arrived in Beijing by plane on Friday after completing their space station mission.The three astronauts, Chen Dong, Chen Zhongrui and Wang Jie, landed safely on Earth aboard the Shenzhou-21 spacecraft on Friday. The Shenzhou-21 return capsule touched down at 4:40 p.m. (Beijing Time) at the Dongfeng landing site in north China's Inner Mongolia Autonomous Region, and the crew had all exited the return capsule by 5:21 p.m., according to the China Manned Space Agency (CMSA).After staying in orbit for 204 days, the three astronauts are all in good health, and the return mission was a success, the...