This is an <a href="https://en.wikipedia.org/wiki/Scalable_Vector_Graphics" class="extiw" title="w:Scalable Vector Graphics">Scalable Vector Graphics</a> image of 7 <a href="https://en.wikipedia.org/wiki/Opacity_(optics)" class="extiw" title="en:Opacity (optics)">opaque</a> black <a href="https://en.wikipedia.org/wiki/Tangent#Tangent_circles" class="extiw" title="en:Tangent">tangent circles</a>.
1st <a href="//commons.wikimedia.org/wiki/User:Amit6" title="User:Amit6">Amit6</a> 2nd <a href="//commons.wikimedia.org/wiki/User:Perhelion" title="User:Perhelion">Perhelion</a>
<span class="int-own-work" lang="en">Own work</span>