Center of <a href="https://en.wikipedia.org/wiki/Nagaoka,_Niigata" class="extiw" title="en:Nagaoka, Niigata">Nagaoka City</a> which became a burned land in Nagaoka Air Raid.
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://www.city.nagaoka.niigata.jp/kurashi/cate12/sensai/kuusyu.html">長岡市ホームページ「長岡空襲について」</a>