gyeongju eupseong ruins and fortress during winter afternoon at gyeongju , south korea : 10 february 2023

historical dynasty seobongchong joseon silla unesco grave tomb hill kingdom bonghwangdae mountain ruins pagoda palace heritage gate fortress monument stone eupseong gyeongju stall street food market traditional seongdong river nature history ancient tree building architecture landmark asia korea culture travel landscape winter afternoon south february 2023