The buon fresco method consists of painting in pigment mixed with water on a thin layer of moist, new, lime mortar or plaster. The pigment is then absorbed from the damp plaster; just after many hours, the plaster dries and reacts While using the air: it Is that this chemical https://troyigiec.dm-blog.com/29163031/wall-of-wallstreet-canvas-art-an-overview