English operator: Panoramio described at URL: https://web.archive.org/web/20161025083844/http://www.panoramio.com/photo/80829126...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017024940/http://www.panoramio.com/photo/44746159...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024235415/http://www.panoramio.com/photo/70508355 determination method...