fresco was the technique that involves painting on a freshly plastered wall that was a painting that was done rapidly in water color on a wet wall/ceiling. they do this so the colors penetrate the plaster as it dries and fixes.
i hope this helps you out! correct me if i'm wrong. :^)
1 Shadows in them are important 2 They are examples of assemblage,made of found objects and boxes. 3 Repeated forms create visual rhythm and variety of forms creates interest
