We've got cb but yeah your right I wish I could show you guys the place it's so easy to fortify there's a huge warehouse complex to go through before your even close which will be guarded and before anyone says it no there isn't another way in unless you want to either swim or jump off a cliff lol
First, I'm not trying to crap in your Wheetabix, but is there any chance that the military or some other government group of twits showing up to use the tunnels for their own bunkers? If not, then you have a sweet, sweet place there.