The importance of site-formation processes in the considered time period makes it sometimes difficult to precisely assign fragmentary remains to distinct techno-complexes.The improvements in dating methods have however allowed for the clarification of many chronological issues in the past decade.
Cave art, also called parietal art or cave painting, is a general term referring to the decoration of the walls of rockshelters and caves throughout the world.
The best-known sites are in the Upper Paleolithic (UP)of Europe, where polychrome (multi-colored) paintings made of charcoal and ochre and other natural pigments were used to illustrate extinct animals, humans, and geometric shapes some 20,000-30,000 years ago.
The oldest of the lifelike paintings most familiar to fans of rock art is the truly spectacular Chauvet Cave in France, direct-dated to between 30,000-32,000 years ago.
Art in rockshelters is known to have occurred within the past 500 years in many parts of the world, and there is some argument to be made that modern graffiti is a continuation of that tradition.
It is generally a raised area above the rest of the city where the most important sacred and secular buildings are brought together.