#miniconstruction #mrconstruction #bridge #swingbridge
The video below shows the process of building a rotating bridge. It has a card that rotates around its pillar to allow ships to pass easily without any obstructions. Actually this is a very wonderful idea that people have come up with. Thank you for watching this video !
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![](https://i.ytimg.com/vi/g0FuarNpaGo/maxresdefault.jpg)