这条3英尺宽，2.5英尺厚的栈道环绕在海拔4700英尺的山间，玩的就是心跳！
The 3ft wide 2.5-inch thick walkway that has runs alongside the edge of the mountain sits 4700 ft above sea level and is defintely not for the faint hearted !
玩的就是为了心跳。
Playing is just for heart beating .
玩的就是心跳