简介：攀登家于1000英尺陡峭悬崖的真实体验，为求于悬崖壁上寻找未被发现的动物物种。

简介：攀登家于1000英尺陡峭悬崖的真实体验，为求于悬崖壁上寻找未被发现的动物物种。

简介：攀登家于1000英尺陡峭悬崖的真实体验，为求于悬崖壁上寻找未被发现的动物物种。

简介：　　攀登家于1000英尺陡峭悬崖的真实体验，为求于悬崖壁上寻找未被发现的动物物种。

简介：A team of climbers set out to find Irvine and his climbing partner George Mallory camera. If that camera could be found, it would rewrite history.

简介：Like a raven on an updraft, Leighan Falley soars above the glaciers and peaks of the Alaska Range with her daughter Skye strapped into the backseat of

简介：攀登家于1000英尺陡峭悬崖的真实体验，为求于悬崖壁上寻找未被发现的动物物种。