Laundry room floor, 3rd floor.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71401718@N00">Wonderlane</a> from Seattle, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/wonderlane/11746518505/">Laundry room floor, 3rd floor Sheraton Hotel, Anchorage, Alaska</a>