How Ancient Bridges Were Built Without Glue Or Cement
This fascinating video reveals how ancient builders created massive stone bridges without any glue or cement—relying purely on precision engineering and gravity. Each stone was carefully cut and placed so the weight of the structure locked everything into place, forming incredibly strong arches that distribute pressure evenly across the bridge. The result is a masterpiece of ancient ingenuity, where nothing is forced yet everything holds together perfectly—allowing these structures to withstand centuries of weather, movement, and time while still standing strong today.
WATCH:
How ancient bridges were built without glue or cement and still stand strong today
— Science girl (@sciencegirl) March 22, 2026
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