Chinese astronauts have completed their extravehicular activities (EVAs) and returned to the space station core module Tianhe, according to the China Manned Space Agency (CMSA) on Aug 20.

This was the second time that the astronauts conducted EVAs during the construction of the country's space station. The CMSA has declared the EVAs a complete success.

Astronauts Nie Haisheng and Liu Boming left the core module in the morning and completed all the scheduled tasks after approximately six hours of EVAs.

They returned to the space station core module at 2:33 pm (Beijing Time), about one hour ahead of schedule, according to the CMSA.

Astronaut Tang Hongbo has been staying inside Tianhe in cooperation with Nie and Liu for their EVAs.