English operator: Panoramio described at URL: https://web.archive.org/web/20161015125846/http://www.panoramio.com/photo/33135145...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014183515/http://www.panoramio.com/photo/33135225...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014155513/http://www.panoramio.com/photo/33137358 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014202608/http://www.panoramio.com/photo/35583938 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015094334/http://www.panoramio.com/photo/33135370 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014231910/http://www.panoramio.com/photo/35976296...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014164836/http://www.panoramio.com/photo/33135954 determination method: SHA-1...