English operator: Panoramio described at URL: https://web.archive.org/web/20161030124608/http://www.panoramio.com/photo/92674176...
English operator: Panoramio described at URL: https://web.archive.org/web/20161022081721/http://www.panoramio.com/photo/65652632...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024012054/http://www.panoramio.com/photo/65601697...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011000434/http://www.panoramio.com/photo/9287978...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103021232/http://www.panoramio.com/photo/83437895...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019195321/http://www.panoramio.com/photo/54538071...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023223857/http://www.panoramio.com/photo/65790549...
archive.org/web/20161019103409/http://www.panoramio.com/user/2742393?with_photo_id=19654149 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20170506184443/http://www.panoramio.com/user/2738746?with_photo_id=113424146 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023142942/http://www.panoramio.com/photo/65552351 determination method...