English operator: Panoramio described at URL: https://web.archive.org/web/20161101012717/http://www.panoramio.com/photo/114193294...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031005921/http://www.panoramio.com/photo/114193327...
archive.org/web/20161103073041/http://www.panoramio.com/user/851655?with_photo_id=130233121 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161013045914/http://www.panoramio.com/user/2359193?with_photo_id=15224253 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101074551/http://www.panoramio.com/photo/114193312...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031194215/http://www.panoramio.com/photo/114193396...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017151430/http://www.panoramio.com/photo/43643517...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101232732/http://www.panoramio.com/photo/114194921...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101232819/http://www.panoramio.com/photo/114194928...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101071737/http://www.panoramio.com/photo/114194789 determination method...