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At 9:22 a.m. BJT on Thursday, astronauts Nie Haisheng, Liu Boming and Tang Hongbo will take off to space aboard China's Shenzhou-12 spacecraft. It has been more than 20 years since China launched its first unmanned spacecraft Shenzhou-1 in 1999. Learn all about the 12 Shenzhou spacecraft here in 100 seconds!
