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English operator: Panoramio described at URL: https://web.archive.org/web/20161016172220/http://www.panoramio.com/photo/48748621...
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English operator: Panoramio described at URL: https://web.archive.org/web/20161023154918/http://www.panoramio.com/photo/52791664...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019150806/http://www.panoramio.com/photo/52791638...
archive.org/web/20161025002310/http://www.panoramio.com/user/5467819?with_photo_id=87876517 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025120926/http://www.panoramio.com/photo/87878056...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024040634/http://www.panoramio.com/photo/52791626...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103000940/http://www.panoramio.com/photo/87877557 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026130426/http://www.panoramio.com/photo/87876468...