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>> tunnels spanning hundreds of kilometers Do you mean tunnels that are hundreds of kilometers long? Sounds interesting. Can you point us to some reading on
by amorphid 8y ago
>> tunnels spanning hundreds of kilometers
Do you mean tunnels that are hundreds of kilometers long? Sounds interesting. Can you point us to some reading on that?
- nukeop 8y agoHere's an article on one such underground site: https://www.nature.com/articles/nature18291 https://www.nature.com/articles/nature18291 The tunnels themselves were not that long or linked up, but apparently all those that were found under Europe add up to hundreds of kilometers.
- amvalo 8y agoWhat do you mean by the word "tunnel" here? They seem to be talking about an arrangement of stones on a cave floor.
- amvalo 8y agoNo way that's true. Maybe he have meant trade routes?
- samfriedman 8y agoIt might be more accurate to say that they used tunnels spanning that distance in total: cave systems.