This episode discusses earthen plasters, natural building materials used for centuries to finish interior and exterior surfaces of structures. These materials often come from the area directly around the building and are made of clay, sand, fibers, and other natural additives. Episode transcript: https://drive.google.com/file/d/1obG_vuIVvksm41DWEsTOGNpnWMXjUAc9/view?usp=share_link