Recent studies show that cave paintings took up to 20,000 years to complete, with later generations adding to the original pictures. Iconic ’80s pop artist and AIDS activist Keith Haring took his cue from prehistoric man, making chalk “cave paintings” of crawling babies on blank New York subway ad signs and painting murals on public walls. “Drawing is still basically the same as it has been since prehistoric times,” Haring said. “It brings together man and the world. It lives... More >>>