The owner of this house in China refused to move for development, so a road was built around it. These are know as 'nail houses'
![On top of having a reinforced keratin plate between their horns, musk ox have a small air cavity beneath it protecting their brain and skull from impact [OC]](https://cdntube.b-cdn.net/thumbnails/a380be1e80cd65c2f87bfddc1a53050d30b61664.jpg)
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