Inside China's only launch site for manned space missions

At China's Jiuquan Satellite Launch Center, even the trees there have a story to tell... As the Shenzhou-21 spaceship readies for launch, follow Xinhua correspondents to have a close look at a unique poplar forest in China's only launch site for manned space missions. #Shenzhou21 #ChinaSpace #MannedSpaceflight