Replica of an historic watch tower at the <a rel="nofollow" class="external text" href="http://www.nps.gov/manz">Manzanar National Historic Site</a>, built in 2005. Eight watchtowers, equipped with searchlights and armed with machine guns that were pointed inward at the prisoners, were positioned around the perimeter of the <a href="https://en.wikipedia.org/wiki/World_War_II" class="extiw" title="w:World War II">World War II</a> American concentration camp.
<a href="//commons.wikimedia.org/wiki/User:Gmatsuda" title="User:Gmatsuda">Gmatsuda</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>