Serigraph of an Upper Paleolithic bison in the Altamira Cave . The serigraph, done to actual size, measures five feet in width. Serigraphy Recording Ancient By DOUGLAS Spain and France some of the world's oldest galleries house some of the world's In oldest paintings - the rock art of Paleolithic man dating between 25,000 and 12,000 b.c. In the past several hundred years, the world has come to recognize that, far from being "primitive," the men who painted and chiselled these images of their quarry, themselves and even domestic scenes on the walls and roofs of caves 4 Paintings MAZONOWICZ and rock shelters were not merely hunters preparing for the hunt or engaging in some other communal activity, but were also skilled and sensitive artists. Our appreciation - thousands of years after these artists worked - may ironically prove the nemesis of their efforts. For today much of the celebrated European cave art is being endangered by one or more of several serious threats. The very