Park Young-Seok (Korean: 박영석, Hanja: 朴英碩, born November 2,1963) is the first person in the world to complete a true Adventure Grand Slam.
Park Young-Seok (Korean: 박영석, Hanja: 朴英碩, born November 2,1963) is a South Korean mountaineer. He is the first person in the world who completed a true Adventure Grand Slam.