These “airbrushed” hand stencils have been found throughout the major Paleolithic cave painting sites of Indonesia and Europe, as well as throughout Aboriginal Australia. The ancient paintings were accomplished by blowing paint through hollow bones, yielding a finely grained distribution of pigment, similar to that of an airbrush.
Cave painting from about 30,000 years ago.This illustrates how the ancient people used bird bones as mouth atomizers.The Hieroglyphic Sanskrit Hand Stencils of Tewet Cave, Indonesia
