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Leonardo da Vinci's 'lost sketch' for world's longest bridge with no supports or glue would've worked, scientists prove | The Sun
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Fig. 1: Folio 855 recto of Leonardo's Codex Atlanticus shows three movable bridges; the one on top is the problematic one.
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Engineers put Leonardo da Vinci's bridge design to the test | MIT News | Massachusetts Institute of Technology
![Leonardo Da Vinci Self Supporting Bridge Isolated in White Background Stock Illustration - Illustration of modeling, summer: 148103944 Leonardo Da Vinci Self Supporting Bridge Isolated in White Background Stock Illustration - Illustration of modeling, summer: 148103944](https://thumbs.dreamstime.com/z/leonardo-da-vinci-self-supporting-bridge-isolated-white-background-leonardo-da-vinci-self-supporting-bridge-isolated-white-148103944.jpg)