A lander is lifted during a test of hovering, obstacle avoidance and deceleration capabilities at a facility in Huailai in China's Hebei province, Thursday, Nov. 14, 2019. China has invited international observers to the test of its Mars lander as it pushes for inclusion in more global space projects. Thursday's test was conducted at a site outside Beijing simulating conditions on the Red Planet, where the pull of gravity is about one-third that of Earth. (AP Photo/Andy Wong)
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