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。

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。

　　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.