(http://farm1.static.flickr.com/204/468113311_6d0202392b.jpg) (http://www.flickr.com/photos/sesh00/468113311/)
Warehouse Door (http://www.flickr.com/photos/sesh00/468113311/) by sesh00 (http://www.flickr.com/people/sesh00/), on Flickr
This (cannot embed) http://www.flickr.com/photos/osdog/469948891/
(http://www.sykesville.net/scans/south%20branch%20park/inside%20north.jpg) (http://www.sykesville.net/southbranch.html)
(http://www.detroitfunk.com/2003images/february2003/DCP_2967.jpg) (http://www.detroitfunk.com/?p=3886)
This (fuck you, shutterstock. i love you) http://www.shutterstock.com/pic-50581/stock-photo-warehouse-door-c-poole-dorset.html
(http://www.cornelliron.com/photos/Service/fulls/Service%20Door%20with%20Pass%20Door,%20SCI%20Coal%20Township,%20PA.jpg) (http://www.cornelliron.com/photoGallery.html)