English operator: Panoramio described at URL: https://web.archive.org/web/20161013030323/http://www.panoramio.com/photo/7903715...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029195400/http://www.panoramio.com/photo/102238875 determination method...
archive.org/web/20161101122821/http://www.panoramio.com/user/1905957?with_photo_id=122746123 operator: Panoramio described at URL: https://web.archive...
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