A team of climbers set out to find Irvine and his climbing partner George Mallory camera. If that

　　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 ca

　　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。