English operator: Panoramio described at URL: https://web.archive.org/web/20161021142139/http://www.panoramio.com/photo/69728129...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029111748/http://www.panoramio.com/photo/94154073 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031145535/http://www.panoramio.com/photo/122810785...
Panoramio described at URL: https://web.archive.org/web/20161012201848/http://www.panoramio.com/photo/10604464 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024005546/http://www.panoramio.com/photo/63227882 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101050438/http://www.panoramio.com/photo/132550849 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102080522/http://www.panoramio.com/photo/122387225...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103041844/http://www.panoramio.com/photo/132550967...
Panoramio described at URL: https://web.archive.org/web/20161010220101/http://www.panoramio.com/photo/1931649 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103032415/http://www.panoramio.com/photo/131804780...