archive.org/web/20161015123521/http://www.panoramio.com/user/4645711?with_photo_id=38300111 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102091730/http://www.panoramio.com/user/7487252?with_photo_id=111162401 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028233424/http://www.panoramio.com/user/6374708?with_photo_id=107823373 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027035612/http://www.panoramio.com/photo/74584407...
Erwin Rothbarth Overloon 1944 cropped described at URL: https://commons.wikimedia.org/wiki/File:5825_Overloon,_Netherlands_-_panoramio_(2)_pagebanner.jpg...
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