Photo taken on Dec. 18, 2018 shows the sunrise scenery of fog-enveloped Paiya Mount of Longhu Mountain scenic area in Yingtan, east China's Jiangxi Province. (Xinhua/Song Zhenping)

　　Photo taken on Dec. 18, 2018 shows the scenery of fog-enveloped Longhu Mountain scenic area in Yingtan, east China's Jiangxi Province. (Xinhua/Hu Nan)

　　Photo taken on Dec. 18, 2018 shows the scenery of fog-enveloped Longhu Mountain scenic area in Yingtan, east China's Jiangxi Province. (Xinhua/Hu Nan)

　　Photo taken on Dec. 18, 2018 shows the scenery of fog-enveloped Longhu Mountain scenic area in Yingtan, east China's Jiangxi Province. (Xinhua/Hu Nan)

　　Photo taken on Dec. 18, 2018 shows the scenery of fog-enveloped Longhu Mountain scenic area in Yingtan, east China's Jiangxi Province. (Xinhua/Hu Nan)

　　Photo taken on Dec. 18, 2018 shows the scenery of fog-enveloped Longhu Mountain scenic area in Yingtan, east China's Jiangxi Province. (Xinhua/Song Zhenping)