English operator: Panoramio described at URL: https://web.archive.org/web/20161020145028/http://www.panoramio.com/photo/53529116...
archive.org/web/20161023165855/http://www.panoramio.com/user/4645711?with_photo_id=66845560 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102094819/http://www.panoramio.com/user/4864561?with_photo_id=122600902 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026230411/http://www.panoramio.com/user/6718398?with_photo_id=75598616 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021001952/http://www.panoramio.com/photo/53529022 determination method...
Panoramio described at URL: https://web.archive.org/web/20161025044653/http://www.panoramio.com/photo/77201572 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161012135953/http://www.panoramio.com/photo/17254170 determination method or standard: SHA-1...
archive.org/web/20161027212106/http://www.panoramio.com/user/3985956?with_photo_id=97742374 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030174013/http://www.panoramio.com/user/2508619?with_photo_id=112874152 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029230746/http://www.panoramio.com/user/3985956?with_photo_id=98180235 operator: Panoramio described at URL: https://web.archive...