<a href="https://en.wikipedia.org/wiki/Double-headed_serpent" class="extiw" title="en:Double-headed serpent">Double-headed serpent</a>, turquoise mosaic. Mexico, 15th-16th century AD. British Museum (Am1894,-.634).
<a href="//commons.wikimedia.org/wiki/User:BabelStone" title="User:BabelStone">BabelStone</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>