Swing bridge mechanism. Your browser does not support the video tag. Previously: 1938 Niagara Falls bridge collapseCanakkale Bridge view from aboveForcing semi loaded with hay under bridgeGuozigou BridgeHow bridges are constructed in the 14th centuryLego RC bridgelayer tank
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emu roo (Apr 4, 2026), Floradawg (Apr 4, 2026), Ralphxyz (Apr 5, 2026)
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