English operator: Panoramio described at URL: https://web.archive.org/web/20161025051433/http://www.panoramio.com/photo/81012037...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025055326/http://www.panoramio.com/photo/81011950 determination method...
archive.org/web/20161022235422/http://www.panoramio.com/user/6547135?with_photo_id=67300426 operator: Panoramio described at URL: https://web.archive...
Panoramio described at URL: https://web.archive.org/web/20161026001249/http://www.panoramio.com/photo/79369325 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161101080144/http://www.panoramio.com/photo/120621517 determination method or standard: SHA-1...