A worker of Hebei maritime authorities patrols in the sea area of Qinhuangdao, north China's Hebei Province, Jan. 26, 2016. Due to freezing weather, sea ice coverage in Liaodong, Bohai and Laizhou gulfs were 53 nautical miles, 19 nautical miles and 24 nautical miles respectively. The National Marine Environmental Forecasting Center has cancelled the sea ice alert at 4 p.m. Tuesday. (Xinhua/Yang Shiyao)
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