English operator: Panoramio described at URL: https://web.archive.org/web/20161102020424/http://www.panoramio.com/photo/100816884...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028154157/http://www.panoramio.com/photo/103008958...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102040454/http://www.panoramio.com/photo/120850226 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028111039/http://www.panoramio.com/photo/103009008 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030063758/http://www.panoramio.com/photo/100816879...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021154116/http://www.panoramio.com/photo/69796932 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161021003839/http://www.panoramio.com/photo/63552101 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161021052403/http://www.panoramio.com/photo/68915200 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161029135747/http://www.panoramio.com/photo/106996821 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161027233436/http://www.panoramio.com/photo/106996571 determination method or standard: SHA-1...