China designated April 24 as its Space Day to mark the successful launch of its first satellite, on this day in 1970. <br /><br />Our correspondent Siobhan McCall looks at some of the key milestones since then.<br /><br />#Shenzhou20 #Tiangong #ChinaSpace #AstronautsInSpace #SpaceScience #PlanarianResearch #SpaceExploration #SpaceLife
