Sport climbing started in the 1970s when french rock climbers began 1 drilling bolts into rock walls to make them safer to climb 运动攀岩发源于一九七年代,当时法国攀岩者开始在岩壁上钻入耳片,增加攀岩的安全性。
2.
Sport climbing started in the 1970s when french rock climbers began 1 ) drilling bolts into rock walls to make them safer to climb 运动攀岩发源于一九七年代,当时法国攀岩者开始在岩壁上钻入耳片,增加攀岩的安全性。