The first shelter that mankind knew was that of caves, with the ancient stone providing protection from the weather, and holding in the heat of that most precious resource, fire. It was impenetrable from outside, warding off predators and ensuring that threats only came from one direction. Millenia have passed since we left the great underground to begin building homes on the surface, eventually leading us to build great towering edifices to the sky.
But have we really left our subterranean roots behind? Or is there still a call to the depths, or potentially even entire societies living beneath the earths surface? Come along dear traveller, and discover the truth, and one surprising revelation at the end.. New Technology has revealed something unimaginable!