《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。
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