Bok
06-14-2012, 07:27 PM
Ancient illustrations in northern Spain date to more than 40,000 years ago
More... (http://www.sciencenews.org/view/generic/id/341443/title/European_cave_art_gets_older)
More... (http://www.sciencenews.org/view/generic/id/341443/title/European_cave_art_gets_older)