For serious discussion of the controversies, approaches and enigmas surrounding the origins and development of the human species and of human civilization. (NB: for more ‘out there’ posts we point you in the direction of the ‘Paranormal & Supernatural
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Prometheus In all probability they are the result of cosmic electrical strikes. You can verify this if you go to google street view. If you see 'abrupt elevation changes' then it is the result of electrical strikes. By AEC I mean that in the space of a few inches the elevation changes from a few inches to many feet. If you go to Ardea Italy along Via dei Rutuli, you will see a very dramatic example of an AEC. These AECs are not the consequence of water erosion. They parallel along I-80 in Iowa and into Illinois. If you use google street view you should be able to see them. MS geology just ignores them. I have pictures of them, but this website doesn't allow attachments.