English operator: Panoramio described at URL: https://web.archive.org/web/20161022122421/http://www.panoramio.com/photo/67932737...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027203735/http://www.panoramio.com/photo/97986079...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030202220/http://www.panoramio.com/photo/114553643 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014232106/http://www.panoramio.com/photo/39851036...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015131655/http://www.panoramio.com/photo/36132592...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015094326/http://www.panoramio.com/photo/36132749...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015163358/http://www.panoramio.com/photo/36132585...