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.更多《崇山峻岭极地行 第二季》在线高清播放、崇山峻岭极地行 第二季中字免费在线播放、崇山峻岭极地行 第二季电影免费观看相关欧美综艺资源，请持续关注放杰视联科!