English operator: Panoramio described at URL: https://web.archive.org/web/20161027095610/http://www.panoramio.com/photo/71569385...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017105733/http://www.panoramio.com/photo/41015135...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024232126/http://www.panoramio.com/photo/71840876...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027023826/http://www.panoramio.com/photo/71592706...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024134832/http://www.panoramio.com/photo/71592958...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024232126/http://www.panoramio.com/photo/71840875...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025033402/http://www.panoramio.com/photo/71592697...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025023614/http://www.panoramio.com/photo/71569536...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025074846/http://www.panoramio.com/photo/71840146 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024170524/http://www.panoramio.com/photo/71582507...