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Two Chinese astronauts went on a spacewalk Saturday from a new space station that is due to be completed later this year.
Cai Xuzhe and Chen Dong’s installed pumps, a handle to open the hatch door from outside in an emergency, and a foot-stop to fix an astronaut’s feet to a robotic arm, state media said.
China is building its own space station after being excluded by the U.S. from the International Space Station because its military runs the country’s space program.
