Cathedral Documentary The Duomo Great Cathedral Mystery full HD english subtitles

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Xuất bản 13/08/2015
-------------------------------------------------------------------------------------------- Subscribe my channel NOW ► Like us on Facebook ► Follow us on Twitter ► Visit my blog ► -------------------------------------------------------------------------------------------- Check out my other documentary channels english subtitles: Documentary HD english subtitles ► Documentary series english subtitles ► BBC DocuHD English Subtitles ► Nature DocuHD English Subtitles ► -------------------------------------------------------------------------------------------- Documentary NOVA - The Duomo Great Cathedral Mystery full HD english subtitles The dome that crowns Florence's great cathedral of Santa Maria del Fiore -- the Duomo -- is a masterpiece of Renaissance ingenuity and an enduring source of mystery. Still the largest masonry dome on earth, it is taller than the Statue of Liberty and weighs as much as an average cruise ship. Historians and engineers have long debated how its architect, Filippo Brunelleschi, kept the dome perfectly aligned and symmetrical as the sides rose and converged toward the center. More than four million bricks could collapse at any moment -- and we still don't understand how Brunelleschi prevented it. To test the latest theories, a team of U.S. bricklayers will help build an experimental "mini-Duomo" using period tools and techniques.
documentary 2015 documentary films NOVA The Duomo Great Cathedral Mystery Duomo Building Function Santa Maria del Fiore the Statue of Liberty Filippo Brunelleschi Florence Cathedral Building Subtitle florence's great cathedral
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