Ancient version of the <a href="https://en.wikipedia.org/wiki/Taijitu" class="extiw" title="w:Taijitu">Taijitu</a> (太極圖), origins from <a href="https://en.wikipedia.org/wiki/Lai_Zhide" class="extiw" title="w:Lai Zhide">Lai Zhi-De</a> (來知德) alias Lai Qu-Tang (來瞿唐) 1525-1604). Black and white swirl around a transparent circle (Hotu).
<a href="//commons.wikimedia.org/wiki/User:Joey-das-WBF" title="User:Joey-das-WBF">Johannes Rössel</a>
2010-03-26
Own work based on: <a href="//commons.wikimedia.org/wiki/File:Hotu.png" title="File:Hotu.png">Hotu.png</a>