Rock paintings that are up to 2,400 years old were found in the mountains of South Africa.What did they depict?

B see a href="http://www.southafrica.info/pls/cms/show_gallery_sa_info?p_gid=2306&p_site_id=38" rel="nofollow"http://www.southafrica.info/pls/cms/show…/a but some of the animals do not look prehistoric!