Two rescue workers entering the American Express Tower <a href="https://en.wikipedia.org/wiki/Three_World_Financial_Center" class="extiw" title="w:Three World Financial Center">Three World Financial Center</a> following September 11th terrorist attack on World Trade Center, New York City
Anonymous.  Courtesy of the Prints and Photographs Division. Library of Congress.
Taken on 11 September 2001
This image  is available from the United States <a href="//commons.wikimedia.org/wiki/Library_of_Congress" title="Library of Congress">Library of Congress</a>'s <a rel="nofollow" class="external text" href="//www.loc.gov/rr/print/">Prints and Photographs division</a><br> under the digital ID <a rel="nofollow" class="external text" href="http://hdl.loc.gov/loc.pnp/ppmsca.02141">ppmsca.02141</a>.<br><small>This tag does not indicate the copyright status of the attached work. <span style="white-space:nowrap">A normal <a href="//commons.wikimedia.org/wiki/Special:MyLanguage/Commons:Copyright_tags" title="Special:MyLanguage/Commons:Copyright tags">copyright tag</a> is still required.</span> <span style="white-space:nowrap">See <a href="//commons.wikimedia.org/wiki/Special:MyLanguage/Commons:Licensing" title="Special:MyLanguage/Commons:Licensing">Commons:Licensing</a>.</span></small>