van Creij URL: https://web.archive.org/web/20161026215827/http://www.panoramio.com/user/7264373?with_photo_id=86708912 determination method or standard:...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016123348/http://www.panoramio.com/photo/47555200...
archive.org/web/20161025230405/http://www.panoramio.com/user/7264373?with_photo_id=86708936 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030203319/http://www.panoramio.com/user/2445474?with_photo_id=125150911 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031060007/http://www.panoramio.com/user/5157111?with_photo_id=128558131 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161103172330/http://www.panoramio.com/user/1671519?with_photo_id=130450121 operator: Panoramio described at URL: https://web.archive...
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