English operator: Panoramio described at URL: https://web.archive.org/web/20161023214809/http://www.panoramio.com/photo/50023896...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023062514/http://www.panoramio.com/photo/50023920 determination method...
Panoramio described at URL: https://web.archive.org/web/20161101115617/http://www.panoramio.com/photo/108522787 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021030149/http://www.panoramio.com/photo/50023906 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021051039/http://www.panoramio.com/photo/53551873...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013191054/http://www.panoramio.com/photo/23428071...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102021049/http://www.panoramio.com/photo/121827644...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031181642/http://www.panoramio.com/photo/114178696...
English operator: Panoramio described at URL: https://web.archive.org/web/20161018001132/http://www.panoramio.com/photo/47978601...
archive.org/web/20161018001327/http://www.panoramio.com/user/1539532?with_photo_id=47978592 operator: Panoramio described at URL: https://web.archive...
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