Installation of world's biggest radio telescope kicks off (2/3)

Photo taken on July 17, 2014 shows the construction site of the Five-hundred-meter Aperture Spherical Telescope (FAST) in Guizhou. The installation of FAST—the largest and most sensitive single-aperture radio telescope in the world--kicked off on July 17, according to the Chinese Academy of Sciences. [Photo: China News Service/ Zhong Xin]