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《中文字幕乱码在线播放不卡电视剧》在线播放免费、中文字幕乱码在线播放不卡电视剧完整版高清在线点播、中文字幕乱码在线播放不卡电视剧在线观看完整版相关欧美综艺资源，请持续关注放杰视联科!