 a small hill in the middle of the halfpipe.</p>
<h2><span class="mw-headline" id="Installations">Installations</span></h2>
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<div class="thumbinner" style="width:202px;"><a href="//en.wikipedia.org/wiki/File:Cosmic_Chaos.jpg" class="image"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Cosmic_Chaos.jpg/200px-Cosmic_Chaos.jpg" width="200" height="267" class="thumbimage" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Cosmic_Chaos.jpg/300px-Cosmic_Ch