English operator: Panoramio described at URL: https://web.archive.org/web/20161012123539/http://www.panoramio.com/photo/17592620 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016171826/http://www.panoramio.com/photo/49480271...
panoramio.com/user/37466?with_photo_id=583623 operator: Panoramio described at URL: https://web.archive.org/web/20161011231358/http://www.panoramio.com/photo/583623...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017181436/http://www.panoramio.com/photo/44012472...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016154748/http://www.panoramio.com/photo/49480294...
archive.org/web/20161029215908/http://www.panoramio.com/user/4219164?with_photo_id=108390985 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029213443/http://www.panoramio.com/user/4219164?with_photo_id=108391020 operator: Panoramio described at URL: https://web.archive...
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