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archive.org/web/20161025045858/http://www.panoramio.com/user/2194619?with_photo_id=71961279 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023200146/http://www.panoramio.com/user/2332377?with_photo_id=61172659 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161022012540/http://www.panoramio.com/photo/61258296...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020202627/http://www.panoramio.com/photo/51523485 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015084333/http://www.panoramio.com/photo/37611026 determination method...
original. https://creativecommons.org/licenses/by-sa/3.0CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue English Wikimedia username: OlafJanssen...
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