English operator: Panoramio described at URL: https://web.archive.org/web/20161025101924/http://www.panoramio.com/photo/80515908...
Panoramio described at URL: https://web.archive.org/web/20161012153733/http://www.panoramio.com/photo/19516411 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028021954/http://www.panoramio.com/photo/100838227...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024210823/http://www.panoramio.com/photo/80515912 determination method...
panoramic vision of London. operator: Panoramio described at URL: https://web.archive.org/web/20161101185245/http://www.panoramio.com/photo/117528365...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029051633/http://www.panoramio.com/photo/100807011...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025005150/http://www.panoramio.com/photo/80515897...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014011908/http://www.panoramio.com/photo/26946517 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029120929/http://www.panoramio.com/photo/105028100 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024210846/http://www.panoramio.com/photo/80515914...