Arte rupestre
http://www.iperboreus.it/materiali/allegati/lascaux.pdf
http://www.youtube.com/watch?v=DV0xrbvVAQw
http://www.youtube.com/watch?v=Kmjq80ekt0&feature=related
http://www.youtube.com/watch?v=wtDRA5emVqo
Grotta delle mani
http://www.argentina.travel/it/autentica/grotta-delle-mani-del-alto-rio-pinturas/4051