Folder: Underworld Page 1 of 2

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Félix Nadar, Catacombes de Paris, 1861

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Félix Nadar, Égouts de Paris, 1861

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Construction of the Subway Tunnel under 6th Ave., New York, 1939. Photo: Bob Seelig/New York Daily News

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The Beach Pneumatic Subway Tunnel under Broadway, 1873. New-York Historical Society # 70265 In 1869, folowing the use of pneumatic tubes for postal communication, Alfred Ely Beach started…

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Construção da Barragem de Picote, no Douro Um dos seus vários túneis (1956?)

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Entrance to cave. Vavau. Postcard,  unknown source.  

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Etna Athanasius Kircher, Mundus subterraneus (1664)

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Vesuvius Athanasius Kircher, Mundus subterraneus (1664)

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Ideal aquatic system of underground canals, rivers and seas. Athanasius Kircher, Mundus subterraneus (1664)

OLYMPUS DIGITAL CAMERA

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System of subterranean fires Athanasius Kircher, Mundus subterraneus (1664)