That would be awesome.
As long as it's held up by one thin column of rock, you'll be fine.
{{unrealistic simulations}}
Ooh, ok. I can't say I'd noticed before, I only got around to very basic building in Minecraft :-$
I keep restarting, I tend to think I want a particular world with plenty of hills and mountains and stuff... I should stop being picky and just get on with something.