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What on Earth?
卫星绕着地球，以27358公里的时速在太空运行着，远远眺望着我们，捕捉叹为观止的影像，而有些图像又稀奇古怪，令人费解。这个独特的视角揭露许多令人摸不着头绪的物体、无法解释的现象。这些照片让人不禁发问：“那到底是什么？”借助最先进的科技，卫星帮我们找到失落几千年的建筑和城市。一张照片可能是找到伊甸园位置的重要线索，另外一张照片则疑似显示出谜样的亚马逊黄金国。大规模海啸突然消失无踪、饱受战争蹂躏的巴格达有一座阴森的血红湖泊、汪洋中出现美国康州大小的漩涡......专家和目击者进行调查，在本节目中分析这些地方，试图经由太空拍摄的影像辅助，寻找答案、解开谜团。
Satellite capture a bizarre pattern obscuring an eastern Atlantic island.
Aerial archaeologists use laser imaging to capture a distinct star-shaped pattern carved into the marsh of a Florida swamp; experts investigate and reveal a lost Civil War fort linked to an extraordinary community with a tragic past.
Satellite images capture a large compound of abandoned structures that are overgrown with vegetation in Indiana; experts investigate and uncover a derelict WWII munitions factory that played a crucial role in US military history.
Aerial drone imaging captures a circular man-made structure that appears to be centuries-old in the remote forests of Aydin, Turkey; experts investigate a lost ancient amphitheater with a history steeped in gladiatorial bloodshed.
Satellite images capture a mysterious fortification concealed beneath a patch of woodland in the remote stretches of Norfolk, England; experts investigate rival royal families and a lost castle that was destroyed during a medieval blood feud.
Satellite images capture miles of aircraft precisely arranged in the vast Arizona desert; experts investigate the largest aircraft storage facility on Earth and the rotting remains of a defining moment in Cold War history.
Satellite images capture an enormous X shape mysteriously carved with precision in the remote Nevada desert; experts investigate a military emergency landing field linked to one of the most astonishing test programs in aviation history.
Satellite images reveal a mysterious vessel that suddenly appears marooned on a remote stretch of Ireland's southern coast; experts investigate and uncover a bizarre journey near the Bermuda Triangle that resulted in a US Coast Guard interception.
Satellite images capture a mysterious group of pyramid-shaped structures in the arid, desert landscape of Arizona; experts investigate a highly controversial research facility designed to prepare humanity for life on another world.
Aerial archaeologists capture a series of mysterious dots buried beneath the remote, frozen landscape of Finnmark, Norway; experts investigate and reveal revolutionary hunting techniques developed by the oldest surviving Norwegian tribe.
