English operator: Panoramio described at URL: https://web.archive.org/web/20161030060026/http://www.panoramio.com/photo/92127706...
archive.org/web/20161031234420/http://www.panoramio.com/user/1506050?with_photo_id=110911492 operator: Panoramio described at URL: https://web.archive...
Panoramio described at URL: https://web.archive.org/web/20161103172036/http://www.panoramio.com/photo/130511011 determination method or standard: SHA-1...
archive.org/web/20161102071137/http://www.panoramio.com/user/3963780?with_photo_id=30187256 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161013225656/http://www.panoramio.com/user/2297766?with_photo_id=26784350 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012134424/http://www.panoramio.com/photo/18721711 determination method...