U.S. Park Police at Earth Day flag ceremony at Washington Monument.
<ul><li>Keywords: u.s. park police; plant; tree; flag; visitor; monument; structure; building; bicycle; ceremony; NPS Personnel; (NPS History Collection Themes); NPS Law Enforcement Activities; Transportation; Flora; Architecture; Special Events</li></ul>
<bdi><a href="https://en.wikipedia.org/wiki/en:Cecil_W._Stoughton" class="extiw" title="w:en:Cecil W. Stoughton"><span title="American photographer">Cecil W. Stoughton</span></a>
</bdi>
Taken on 26 November 2018
<a rel="nofollow" class="external text" href="https://npgallery.nps.gov/">NPGallery</a>