Handprinting ceremony
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SK Telecom CEO Ha Sung-min, right, takes a part in a handprint ceremony with long-term subscribers of the telecommunications giant at its headquarters in Euljiro, downtown Seoul, Monday. / Yonhap
SK Telecom CEO Ha Sung-min, right, takes a part in a handprint ceremony with long-term subscribers of the telecommunications giant at its headquarters in Euljiro, downtown Seoul, Monday. / Yonhap