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Aerial photo taken on Feb. 4, 2018 shows a police car patrolling on a road in Meihua Mountain, southwest China's Guizhou Province. The S102 provincial highway is the highest one in Guizhou, which is also a vital line to reach Yunnan and Sichuan provinces. Thus, it is significant to ensure the smooth running of the road, especially during winter time. (Xinhua/Tao Liang)
