VG Chartz Tech/Futurology Thread - 10 “Game Changing” Technologies Poised to Transform the World in 2015

[MoHasanie]

JEMC said:

It could also be a good way to find new uses to abandoned underground facilities like old train or metro stations/tunnels, for example.

That's true. Actually now that I think of it, in Toronto there are underground pedstrian tunnels which connect the most of downtown together. This would be a good idea to use in those tunnels.