- Once, there was a 280 millimeter mortar on top of this base.

- Into this hole and...

- Actually I was little disappointed, because I was expecting that when I crawl through that hole, I can enter to all those shelter rooms. Instead they all are separated and there is no connection between them. Strange, because you would think that soldiers would want another way out if this entrance should somehow be damaged and you couldn't get out this way.

- And another hole. Check that everything is attached to you tightly and then...crawl...

- Before I entered into this cave, I took a picture and what I saw caused a little hesitation, because as you can see, this is a really low corridor.