English operator: Panoramio described at URL: https://web.archive.org/web/20161023121817/http://www.panoramio.com/photo/54506045...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020102457/http://www.panoramio.com/photo/54506034...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021090418/http://www.panoramio.com/photo/54506056 determination method:...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101173105/http://www.panoramio.com/photo/121408186...