translation.en: All the climbers here are climbing unroped, and the reason is because the drop off is so sheer on either side that if you were roped to somebody, you'd wind up just pulling them off with you.
translation.zh: 所有的登山者都没有捆绑绳索， 原因是因为 两边都极其陡峭， 如果你和他人用绳索连在一起的话， 一旦失足，会连同其他人一起坠下山。