English operator: Panoramio described at URL: https://web.archive.org/web/20161025203053/http://www.panoramio.com/photo/74008329 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025073259/http://www.panoramio.com/photo/74008317...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103011315/http://www.panoramio.com/photo/74008299...