A bunker entrance.

The interior was small and had stuff.

Here's what it looks like from outside. I had to climb on a bunch of stuff covered by a tarp to get this picture.

Please remember that these photos are all copyrighted to me. If you want to use them in any way, there's a 90 per cent chance I'll give you my permission, and be able to give you a copy with a higher DPI.
Copyright Daehanmindecline 2016