A world of no sun and no fresh air ... Let there be Artificial Light!  How many subtropolises are there?  See this one in Kansas City, Missouri -- an underground industrial park, which today's Dead Corporations love!  Watch the trend continue to build, with residential parks for Humanity 2.0 featured in due time.  All this for our collective future, after the Nukular Holokaust or to shelter from the Alien Invasions ... when will you choose to go into the ground?  Read full piece with many photos here.