English operator: Panoramio described at URL: https://web.archive.org/web/20161012164519/http://www.panoramio.com/photo/10422739 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012112858/http://www.panoramio.com/photo/10422628...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012084250/http://www.panoramio.com/photo/10422618...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013091934/http://www.panoramio.com/photo/10428310 determination method...