Incision, together with carving and scraping were the first technologies of the visual arts. Monochromous scratchings outlining animals and hunters appeared on cave walls before the colored cave paintings. Some Chavín reliefs were intended to be visualized by the sense of touch, they were placed on underground pitch black chambers.

"Serpiente" 2012. Oil on linen. 160x140cm.  Click the image to enlarge it.