The Shenzhou-23 crew on board China's orbiting space station Tiangong on Thursday extended their greetings to the motherland and the Chinese people in celebration of the 77th anniversary of founding of the People's Republic of China.⁣ ⁣ The three astronauts were launched on May 24 and entered Tiangong the following day. They have now been working in orbit for more than four months.⁣ ⁣ #China #NationalDay #Shenzhou23 #Tiangong #SpaceStation #ChinaSpace