A chickadee enjoys weeping willow buds at Gyeongpo Wetland in Gangneung, 168 kilometers east of Seoul, on March 28, 2023. (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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