39.48, -82.98 | The last drought of this proportion was in the 1970s, I think -- before aerial photography was commonplace. A search on BBC will find numerous similar links in the last month or so. Drones have really added to the known archeological inventory in the U.K. this year.
(wales_hillfort (full).jpg)
Attachments ---------------- wales_hillfort (full).jpg (83KB - 437 downloads)
|