剧情介绍：最新美剧在线观看崇山峻岭极地行第二季概要，此美剧是一部欧美综艺美剧、类型的美剧。 Ryan's human-powered adventures are always inspiring as he proves that anyone can get out and explore the great unknown. Extreme Treks is part adventure, part exploration and part education. The best way to understand and respect the world around us is to put yourself right in the path of Mother Nature. Episodes: Tanzania, Morocco, China, USA, Peru, Nepal, Italy and Oman.九九美剧详情