Hellow guys, Welcome to my website, and you are watching 생로병사의 비밀 - 등산으로 인해 하체 근력이 증가한다!20181010. and this vIdeo is uploaded by KBS 다큐 at 2018-10-10T06:31:10-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.