I believe the answer is depth!
Refers to the visual quality of the surface of an object, revealed through variances in shape, tone and color depth. Texture brings life and vibrance to images that would otherwise appear flat and uninspiring.
spain
The oldest known cave painting is a red hand stencil in Maltravieso cave, Cáceres, Spain. It has been dated using the uranium-thorium method to older than 64,000 years and was made by a Neanderthal
Indonesia
The dating discovery recasts ancient cave art as a continent-spanning human practice. A hand painted in an Indonesian cave dates to at least 39,900 years ago, making it among the oldest such images in the world, archaeologists reported Wednesday in a study that rewrites the history of art.
