Yep. A lot of geothermal energy sources available there.  Perfect for powering underground complexes.    The rise of the tech class made refitting bunkers and silos a viable industry, for office space and data centers and of course evil villain lairs. Here's a refitted cave bunker Wikileaks used: https://www.youtube.com/watch?v=qwlATf9xse4 As you see, those old James Bond movies were fucking right on the money. I guess Ian Fleming must have seen similar installations during his time as a spy among the wealthy and eccentric elite of the world. And no wonder he invented (((SPECTRE)))* as the umbrella organization that linked them all. *Check out BARBARA LERNER SPECTRE for an interesting name echo.