A power substation on the <a href="https://en.wikipedia.org/wiki/Rock_River_(Mississippi_River)" class="extiw" title="en:Rock River (Mississippi River)">Rock River</a>, <a href="https://en.wikipedia.org/wiki/Oregon,_Illinois" class="extiw" title="w:Oregon, Illinois">Oregon, Illinois</a>.
Andy McMurray
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>