English operator: Panoramio described at URL: https://web.archive.org/web/20161023223914/http://www.panoramio.com/photo/57918451...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027171619/http://www.panoramio.com/photo/95306692...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102090442/http://www.panoramio.com/photo/91021397...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023034859/http://www.panoramio.com/photo/55865551...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014080000/http://www.panoramio.com/photo/26276705 determination method...
operator: Panoramio described at URL: https://web.archive.org/web/20161110181015/http://www.panoramio.com/photo/41107699 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161025212652/http://www.panoramio.com/photo/83362982 determination method or standard: SHA-1...
panoramio.com/user/68398?with_photo_id=6824035 operator: Panoramio described at URL: https://web.archive.org/web/20161009225319/http://www.panoramio.com/photo/6824035...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028115616/http://www.panoramio.com/photo/96583882...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030072847/http://www.panoramio.com/photo/96583913...