中国大叔倒着跑下52级台阶，仅用了5秒
5秒能干啥？中国大叔倒着跑下52级台阶Yin Zuoping, 57, can go down 52 steps in just five seconds and finish the stunt with a full split.Mr Yin has been practising th...
5秒能干啥？中国大叔倒着跑下52级台阶Yin Zuoping, 57, can go down 52 steps in just five seconds and finish the stunt with a full split.Mr Yin has been practising th...