"Go to the site of any major city and start digging. Anywhere in the world. You find layers and layers and layers of residue from earlier civilisations. You go to, I don't know, the jungle, Malaysia or South America, and you find they're crammed, absolutely stuffed to the gills, with temples and shrines and towers and homes of a dozen different styles. On every continent, you find this old, deep technology. Like solar power - we extrapolated solar power technology from stuff we discovered as archaeology. And telegraphy is the same. Underneath Russia and Europe there are these gigantic networks
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