and ring petroglyph at the 'Laxe das Rodas' ('Stone of the Wheels'), Louro, Galicia. http://en.wikipedia.org/wiki/File:Laxe_das_Rodas_01.jpg Large cup and ring petroglyph at the 'Laxe das Rodas', Galicia , where hundreds of stations are known. The circle is a symbol for perfection of God and the cycle of death and rebirth. The cup