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SCIENCE STUDY

PHOTO VISION 图说世界

作者:TEENS
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Space walk: China’s Shenzhou XIV astronauts Chen Dong (right) and Liu Yang exit the space station lab module Wentian on Sept 1, and use a robotic arm to install (安装) new instruments outside the Tiangong space station. This photo has been inverted (倒置) top to bottom.  XU BU/FOR CHINA DAILY

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