English operator: Panoramio described at URL: https://web.archive.org/web/20161021153413/http://www.panoramio.com/photo/58535853...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016122145/http://www.panoramio.com/photo/46133938 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026200632/http://www.panoramio.com/photo/71610233...