English operator: Panoramio described at URL: https://web.archive.org/web/20161028023216/http://www.panoramio.com/photo/108322705...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030190824/http://www.panoramio.com/photo/125077046...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030201732/http://www.panoramio.com/photo/125077031 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028220834/http://www.panoramio.com/photo/108322665...