Since the launch of ISS in 1998, for the past 20 years, for most of the time It was the only manned laboratory which locates in space.
However, soon, the ISS and their crews will not be lonely anymore there. on April 29, 2021. China launched its space station core module Tien her, one month later, on May 29, China launched the Tien cho-2 cargo spacecraft from Wenchang Satellite Launch Center on China's Hainan Island.
Today, we will compare the ISS and the Chinese Space Station, which is still under construction.