The processing and the sculpture of the tuff are part of an ancient tradition of the city of the Sassi. This type of stone called calcarenite is extracted from quarries in the Murgian area and is worked with passion and respect of tradition by our artisans of the tuff. Thanks to its workability it is used and appreciated also in the artistic field reaching international visibility thanks to the local craftsmanship. Each sculpture is a unique piece thanks to the shape and imperfections of this stone.