Rebuilding the ruins will start with... rebuilding the walls. And as I want to use as much local products as possible I have started to look around. In our October vacation we took home some dirt that we have found. A bit from the mine and a bit from the hills. I have not asked what kind of rock the mine is mining but I expect it to be some sort of lime (chalk). So it should be possible to use it as a mortar and plaster. So, to have some fun I tested out the lime and the dirt from the hills to see how it would hold in the dutch rain. For this I made a small frame and added the lime first. I only added water to it, nothing fancy. I brought less material than I expected so I only used one frame for now. While letting it dry I pressed it several times to make it compact. When it was done I added some of the red dirt to half of the frame I was using so that I could see the difference. I then put it outside to stand in the rain for some weeks. At first, I put it in an upr...