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archive.org/web/20161029065917/http://www.panoramio.com/user/6647071?with_photo_id=104174655 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028215053/http://www.panoramio.com/photo/100821809 determination method...
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archive.org/web/20161029193507/http://www.panoramio.com/user/6647071?with_photo_id=100821811 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161016191712/http://www.panoramio.com/user/4118232?with_photo_id=49736775 operator: Panoramio described at URL: https://web.archive...