File:CERN LHC CMS.jpg

View of CMS detector at end of 2007.

http://multimedia-gallery.web.cern.ch/multimedia-gallery/PhotoGallery_Detailed.aspx?searchTerm=internalnote:%27Experiments*%27%20keyword:LHC&page=1&order=3

The copyright is held by CERN. Used with what looks like fairly liberal permissions on their website.