Michael Phelps is among the most decorated Olympian in record with a total of 28 medals. Despite remaining diagnosed with ADHD as a toddler, Phelps with his unwavering resolve and rock-reliable focus went on to build several world data.화질 조절: 영상 하단의 설정(톱니바퀴 아이콘)에서 화질을 조절할 수 있습니다.가장 �