English operator: Panoramio described at URL: https://web.archive.org/web/20161015045439/http://www.panoramio.com/photo/37507715...
English operator: Panoramio described at URL: https://web.archive.org/web/20161110125737/http://www.panoramio.com/photo/41012134...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028042354/http://www.panoramio.com/photo/104579082...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024224328/http://www.panoramio.com/photo/71840128...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024121152/http://www.panoramio.com/photo/71840130...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024215641/http://www.panoramio.com/photo/71576367...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024121419/http://www.panoramio.com/photo/71840131...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027111336/http://www.panoramio.com/photo/73088276 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024121422/http://www.panoramio.com/photo/71840134...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024193127/http://www.panoramio.com/photo/71576322...