Final answer:
Buon fresco, also known as 'true fresco,' is a technique of painting on wet plaster. The pigment is mixed with water and applied to the wet plaster, where it becomes fixed as the plaster dries and reacts with the air. Examples of buon fresco can be found in ancient Roman houses and villas near Mt. Vesuvius.
Step-by-step explanation:
Buon fresco, also known as 'true fresco,' is a technique of painting on wet plaster. The pigment is mixed with water and applied to the wet plaster, where it becomes fixed as the plaster dries and reacts with the air.
The lime in the plaster acts as a binder, making the painting part of the wall itself. Examples of buon fresco can be found in ancient Roman houses and villas, such as those near Mt. Vesuvius.