English operator: Panoramio described at URL: https://web.archive.org/web/20161021114047/http://www.panoramio.com/photo/57575748 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021141908/http://www.panoramio.com/photo/57575466...
Panoramio described at URL: https://web.archive.org/web/20161021081930/http://www.panoramio.com/photo/57575769 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023164121/http://www.panoramio.com/photo/57575805...
archive.org/web/20161023191714/http://www.panoramio.com/user/2610470?with_photo_id=57575717 operator: Panoramio described at URL: https://web.archive...