Photo taken on Aug. 18, 2017 shows red rock area of the Qaidam basin in Haixi of northwest China's Qinghai Province. China's project of building a village simulating the environmental conditions on Mars in Qinghai, as part of China's Mars exploration preparation, was approved by experts in Beijing Thursday. The red rock area of the Qaidam basin in western Qinghai has been dubbed "the most Martian place on Earth." (Xinhua/Wu Gang)