English operator: Panoramio described at URL: https://web.archive.org/web/20161031001227/http://www.panoramio.com/photo/113971666...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101002059/http://www.panoramio.com/photo/113971657...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030140918/http://www.panoramio.com/photo/113971686...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031001002/http://www.panoramio.com/photo/113971696...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030140817/http://www.panoramio.com/photo/113971681...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031000948/http://www.panoramio.com/photo/113971694...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101191631/http://www.panoramio.com/photo/113971630...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030203545/http://www.panoramio.com/photo/113971613...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102031357/http://www.panoramio.com/photo/113971805...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101191746/http://www.panoramio.com/photo/113971636 determination method...