GUIYANG, April 15 (Xinhua) -- Located in Qiannan Buyi and Miao Autonomous Prefecture, southwest China's Guizhou Province, Pingtang County features higher terrain in the northwest and lower in the southeast, with a relative elevation difference of over 1,000 meters.

With over 2,455.23 square kilomoters of karst landscape, Pingtang County is also home to China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST).