Mountain climbing experts often use it as a difficult test for people who want to climb some of the world's highest mountains.

攀登专家说，此山经常用来对那些准备攀登世界最高峰的人进行艰苦训练的基地。

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Mountain climbing experts often use it as a difficult test for people who want to climb some of the world's highest mountains.

攀登专家说，此山经常用来对那些准备攀登世界最高峰的人进行艰苦训练的基地。

youdao