<p>The underground bunker Drnov - Cold war / air defense museum
location: Drnov, Slaný, Czech Republic
info: &lt;a href="<a rel="nofollow" class="external free" href="https://bunkr-drnov.cz">https://bunkr-drnov.cz</a>" rel="noreferrer nofollow"&gt;bunkr-drnov.cz&lt;/a&gt;
author: Jan Helebrant
&lt;a href="<a rel="nofollow" class="external free" href="http://www.juhele.blogspot.com">http://www.juhele.blogspot.com</a>" rel="noreferrer nofollow"&gt;www.juhele.blogspot.com&lt;/a&gt;
</p>
license CC BY-SA
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/96541566@N06">Jan Helebrant</a>
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/96541566@N06/49275137981/">2018-10-11_18-31-07_Nikon_JH</a>