Europe. Can't provide more details in case I found some very secret building that definitely shouldn't make it to public. 😉
That's a good policy to have even if it's something mundane like an abandoned house. It prevents people from breaking in and wrecking up the place or getting hurt/arrested
Looks like that bit of Hampstead Heath nearish Kenwood House, like here: https://maps.app.goo.gl/icAma2RCi9HxGeYeA
I wish. Didn't get any good photo of what was behind the fence and hadn't enough time to break in, unfortunately...
Unfortunately, no. Plenty of bushes in the way. Only some vague shapes of a concrete-like structure. It didn't look devastated as far as I could tell.
Fellow urbex aficionado! I'll try to find some old photos of mine, relevant to the hobby, and post them here...