RT @KiwiEV@twitter.com

Now, if this isn't the coolest thing you've seen today then you need to close the refrigerator. It's an animation of how bridges were built in Central Europe in the middle-ages.

🐦🔗: twitter.com/KiwiEV/status/1316


@publicvoit wow that's impressive! Are those human size hamster wheels powering the crane?

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