Most Viewed Keyword Megastructures

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  • 2023
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    A86 : Le Défi d'un tunnel à double étage
    A86 : Le Défi d'un tunnel à double étage

    1 2023 HD

    The Duplex A86 is a 10 kilometer underground highway buried more than 90 meters deep. This concrete tube, measuring the equivalent of more than 30...

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  • 2022
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    Maya: Ancient Metropolis
    Maya: Ancient Metropolis

    7.00 2022 HD

    The Maya Civilization has baffled historians for centuries with its unprecedented prowess in Math, Astronomy, and Engineering. All that was left of...

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