English operator: Panoramio described at URL: https://web.archive.org/web/20161020090340/http://www.panoramio.com/photo/56545452...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031082710/http://www.panoramio.com/photo/123417994...
archive.org/web/20161020032443/http://www.panoramio.com/user/1406749?with_photo_id=58008120 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012223846/http://www.panoramio.com/photo/14951537 determination method...
Panoramio described at URL: https://web.archive.org/web/20161024190212/http://www.panoramio.com/photo/83153317 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161113233854/http://www.panoramio.com/photo/42075292 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161014233858/http://www.panoramio.com/photo/30868220 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025211818/http://www.panoramio.com/photo/72120410 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024104937/http://www.panoramio.com/photo/85181315 determination method...
archive.org/web/20161013201010/http://www.panoramio.com/user/3912474?with_photo_id=29503168 operator: Panoramio described at URL: https://web.archive...