Hamburg, district Harburg, township Heimfeld, Kuhtrift 17, shelter from WW II, part of protected ensemble 31213 (ring street in the forest with shelters)
<a href="//commons.wikimedia.org/wiki/User:KaiBorgeest" title="User:KaiBorgeest">KaiBorgeest</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>