there were microfractures. it was dented up pretty bad. we replaced all that. we actually put a layer of black paper, then a layer of metal, of sheet metal, and then a layer and then the copper on top of that, so there's three layers of waterproofing material. hopefully it lasts another 100 years. >> we're currently in the house chambers, which is under restoration. this project started approximately three years ago. and the first year, we did the lower level, restoring the ornate stenciling in the plaster work. the second year, we did the upper levels and the ceiling, and the third year, we're doing the galleries. and some time during the '60s, they had glued acoustic ceiling tile to all the wall surfaces, all the ceiling, and in filled the coffer and filled that supposedly for sound. and we have actually -- i mean, we're taking it back to the original 1903, which is our period of historic significance, working with history colorado. and that's where all the stenciling, we have photographs showing the stenciling, and the lower level, we just touched up the ori