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/20161015121218/http://www.panoramio.com/photo/33736844...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017134626/http://www.panoramio.com/photo/41009242...
English operator: Panoramio described at URL: https://web.archive.org/web/20161110125939/http://www.panoramio.com/photo/41011823 determination method...
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/20161024232126/http://www.panoramio.com/photo/71840876...
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/20161027023826/http://www.panoramio.com/photo/71592706...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025023614/http://www.panoramio.com/photo/71569536...