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The original was posted on /r/science by /u/TX908 on 2025-01-09 07:17:41+00:00.

Original Title: Scientist has used drone mapping to investigate a 3000-year-old ‘mega fortress’ in the Caucasus mountains. The drone took nearly 11,000 pictures which were knitted together using advanced software to produce high-resolution digital elevation models and orthophotos.