Symbol of Taoism as a button, green version.
<span class="int-own-work" lang="en">Own work</span>
This image is a derivative work of <a href="//commons.wikimedia.org/wiki/File:TaoismSymbolWhite.PNG" title="File:TaoismSymbolWhite.PNG">File:TaoismSymbolWhite.PNG</a> by <a href="https://it.wikipedia.org/wiki/user:Tinette" class="extiw" title="it:user:Tinette">Tinette</a>, user of <a href="https://it.wikipedia.org/wiki/Pagina_principale" class="extiw" title="it:Pagina principale">Italian Wikipedia</a>.