First of all, we have to turn on the allowed building damage in the settings, and then the building can be attacked.

We have no direct way to dismantle it. We can use spears to dismantle it, or we can attract savages to help you dismantle it, but the risk will be high.

Open buildings that are allowed to be damaged and use any weapons or hole openers. You can also lead fat people to large-scale demolition. If you just want to dismantle a specific object without damaging other buildings, it is strongly recommended to poke it with a spear.