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This image shows an artist’s impression of a variable-height transparent dam encircling rock carvings at the Bangudae archeological site on a river in Ulsan. / Courtesy of Ministry of Culture, Sports & Tourism
This image shows an artist’s impression of a variable-height transparent dam encircling rock carvings at the Bangudae archeological site on a river in Ulsan. / Courtesy of Ministry of Culture, Sports & Tourism