On the 27th, when the severe cold continued, a flock of whooper swans wintering at Gyeongpo Reservoir in Gangneung, Gangwon-do, curled up in the cold of dawn and began their activities. (Yonhap)
Photos by Yoo Hyung-jae
[Yoo Hyung-jae, who took these pictures, is a photo reporter at Yonhap News Agency who specializes in the ecological field.]
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