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
A pedestrian walks in street of Seoul, South Korea, Dec. 28, 2018. A cold wave hit the country on Friday, dipping Seoul's temperature to minus 19.3 degrees Celsius. (Xinhua/Wang Jingqiang)
A pedestrian walks in street of Seoul, South Korea, Dec. 28, 2018. A cold wave hit the country on Friday, dipping Seoul's temperature to minus 19.3 degrees Celsius. (Xinhua/Wang Jingqiang)