THE INCAS
'On an <a href="http://www.j-archive.com/media/2011-05-31_DJ_28.jpg" target="_blank">Inca cross</a>, the three steps stood for <a href="http://www.j-archive.com/media/2011-05-31_DJ_28a.jpg" target="_blank">three tiers of being</a>--condor aloft, puma on earth, and this reptile in the underworld'
a snake