South Korea marked its 63rd Memorial Day on June 6 to pay tribute to the military veterans who sacrificed their lives during the Korean War and other battles.
Actors Ji Chang-wook, Im Si-wan, Kang Ha-neul, and Joo Won, who are all currently fulfilling their mandatory military service, participated in the event attended by about 10,000 people including Pres. Moon Jae-in. The four stars sang the South Korean national anthem.
Here’s a clip of them singing the national anthem (beginning at the 5:10 mark):
Credit goes to JTBC, Soompi