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    The Medieval Mind: How to Build a Cathedral


    by klidstone1970

    8 943 views
    The great cathedrals were engineering marvels of the medieval world built with not much more than pulleys and ropes, chisels and hammers and set squares. Architectural historian Jon Cannon searches for answers on how these structures were built and the ambition that it took when looking at Glouchester, York, Norwich and Ely. ©BBC