Comment Re:Your limited human minds (Score 1) 198
Why build down, when you can just as easily build up?
if you have 20x20 meters of land, it would be just as difficult to excavate 20 meters deep as it would be to build a 20 meter high building.
if you have 20x20 meters of land, it would be just as difficult to excavate 20 meters deep as it would be to build a 20 meter high building.
