The exterior of the Exposition Hall of <a href="https://en.wikipedia.org/wiki/Alliant_Energy_Center" class="extiw" title="w:Alliant Energy Center">Alliant Energy Center</a> in <a href="https://en.wikipedia.org/wiki/Madison,_Wisconsin" class="extiw" title="w:Madison, Wisconsin">Madison</a>, shortly after dawn on February 18, 2007.
<a href="//commons.wikimedia.org/wiki/User:Slambo" title="User:Slambo">Slambo</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>