Answer:
Fresco is a technique of painting on plaster or mortar-lined walls or ceilings that are still fresh and usually take the form of murals. Often, even the term is used to refer to mural painting in general.
Due to the fresh condition of the plaster or mortar, the pigments need to be diluted only in water and as the painted surface dries, the design, which becomes part of the surface, dries out and the fixation is quite long lasting. lower in damp places as moisture causes cracking and damage to wall structure and paint. Due to its affinity with the dry climate, it was widely used in northern Europe and Italy, except Venice. The fresco is widely used in churches and public buildings, and usually occupies large extensions.
The preparation steps for the execution of the fresco are the preparation of the support - wall, ceiling - placement of the mortar, the painting of the fresco and the placement of the crystallization layer to protect the work.
