English operator: Panoramio described at URL: https://web.archive.org/web/20161010171956/http://www.panoramio.com/photo/6363071 determination method or...
gesloopt in 2016. operator: Panoramio described at URL: https://web.archive.org/web/20161010021913/http://www.panoramio.com/photo/6363111 determination...
gesloopt in 2016. operator: Panoramio described at URL: https://web.archive.org/web/20161012170729/http://www.panoramio.com/photo/6363187 determination...
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