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《原始生活21天》里好几季里选出几个有争议的或是求生能力强的选手，让他们再度分成四组去非洲挑战赤裸裸求生40天。It's over 500,000 square miles of rumored mysteries. In reality, the Bermuda Triangle may be filled with something even more incredible - Sharks. Marine Biologist Dr. Austin Gallagher is searching for the holy grail of shark research - the secret breeding grounds of tiger sharks, and he's hoping one special shark can lead him to it.。《跳进地理书的旅行》第四季探索世界与声音的联系，跳地团将游学东北，环大兴安岭自驾以“地理书”为引，以“熟人局友情”为线，通过完成每日“游学答题”和“游学报告”将看风景与学知识相合，以新奇的视角向观众输出新鲜有趣的观点和知识。。