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They are home to wolves, elks and tigers: the boreal forests of the north. They store more carbon than all the rainforests put together and, as such, are crucial for the world’s climate. Where permanently frozen ground is mostly covered in metre-high snow, and summer is dominated by drought, conifers and ground-cover plants are accustomed to fire. Some plants even need the flam...。发生珍珠港事件的几星期后，纳粹 U 型潜艇在美国北卡罗莱纳州附近海岸攻击美国船只，并带来大量伤亡与破坏。本节目就是为了记录这段鲜为人知的战事而制作，并追踪一班执行保卫历史任务的海洋考古学家，看看他们如何将差不多被遗忘的二战墓地变成一个为纪念蒙难船只而设的受保护场所。© Disney+ 第1集：来自下方的恐怖（Terror from Below） 第2集：大西洋墓地（Atlantic Graveyard）。