English operator: Panoramio described at URL: https://web.archive.org/web/20161025183415/http://www.panoramio.com/photo/72071825 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161010213846/http://www.panoramio.com/photo/3630335...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013110657/http://www.panoramio.com/photo/3630326...