Underground cities and networks around the world
http://nexusilluminati.blogspot.com/2015/07/underground-cities-and-networks-around.html
Gary,
What a nice, quick read. And it is very good information. It's the kind of background we have to have if just in order to be conversant.
Dean
List Members,
An informative, quick read on underground cities. Some things you'll know, other things you will not.
It was good reading in 2015, so do it again!
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