English operator: Panoramio described at URL: https://web.archive.org/web/20161103111851/http://www.panoramio.com/photo/131516224 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103071953/http://www.panoramio.com/photo/131516236 determination method:...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103071844/http://www.panoramio.com/photo/131516234 determination method...