Maya relief of royal blood-letting (<a href="https://en.wikipedia.org/wiki/Yaxchilan_lintel_24" class="extiw" title="en:Yaxchilan lintel 24">Yaxchilan lintel 24</a>), Mexico, about AD 600-900.
21 August 2010
<a href="//commons.wikimedia.org/wiki/User:BabelStone" title="User:BabelStone">BabelStone</a> (<span class="int-own-work" lang="en">Own work</span>)