Tomb of the Unknowns, Arlington National Cemetery
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/47983324@N00">Eric Chan</a>
CC BY 2.0
originally posted to <b><a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a></b> as <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/47983324@N00/91200953">Guard at the Tomb of the Unknown Soldier, Arlington</a>