A Chinese surveyor conducts surveying atop Mount Qomolangma on May 27, 2020. The new height of Mount Qomolangma, the world's highest peak, is 8,848.86 meters, China and Nepal jointly announced on Dec. 8, 2020. (Xinhua/Tashi Tsering)
In pics: China's science and technology achievements in 2020
Source: Xinhua| 2020-12-18 17:51:52|Editor: huaxia
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