Rock Scissors Paper hand game depiction. Images remixed from openclipart.org: hands and paper by Francesco 'Architetto' Rollandin, scissors by nicubunu, stone by Angelo_Gemmi
Cave painting from Tadrart Acacus (Acacus Mountains) in the desert of western Libya, a UNESCO World Heritage Site. (Source: "http://en.wikipedia.org/wiki/File:Tadrart_Acacus_1.jpg")