A rescue team heads to the Lushan earthquake areas on the Jingkun Expressway in southwest China's Sichuan Province April 20, 2013. A 7.0-magnitude earthquake hit Sichuan Province's Lushan County of Ya'an City Saturday morning. [Photo/Xinhua]
China launched its second space laboratory, the Tiangong II, on Thursday night, which space officials said will become the country’s largest scientific platform in space.