Blombos Cave drawing with ochre pencil on silcrete stone. Craig Foster The crisscrossed pattern, drawn on stone 73,000 years ago, wasn't used as shorthand for #artlovers, but the hashtag-like design ...
WASHINGTON (Reuters) - A small stone flake marked with intersecting lines of red ochre pigment some 73,000 years ago that was found in a cave on South Africa's southern coast represents what ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results