Stonehenge. Taken by 2nd Lt Philip Henry Sharpe in Summer 1906 from a Royal Engineers’ tethered balloon.
Reputedly the earliest known aerial photograph of any archaeological monument in Britain.

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Photographed from a Royal Engineers' tethered balloon in the summer of 1906 — reputedly the earliest aerial photograph of any archaeological monument in Britain. The circle looks surprisingly complete from above. © Philip Henry Sharpe, Public domain, via Wikimedia Commons

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