Bomb-proof.
Main entrance to the Guardian exchange deep-tunnel complex; paid for in US Dollars, obsolete before it was completed.
Main entrance to the Guardian exchange deep-tunnel complex; paid for in US Dollars, obsolete before it was completed.
Main entrance to the Guardian exchange deep-tunnel complex; paid for in US Dollars, obsolete before it was completed.
Main entrance to the Guardian exchange deep-tunnel complex; paid for in US Dollars, obsolete before it was completed.