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English operator: Panoramio described at URL: https://web.archive.org/web/20161011224634/http://www.panoramio.com/photo/8981076...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014102137/http://www.panoramio.com/photo/27698566...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102060817/http://www.panoramio.com/photo/118722774...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031004603/http://www.panoramio.com/photo/114596220...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027091458/http://www.panoramio.com/photo/86794093...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024015712/http://www.panoramio.com/photo/58905311...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024093523/http://www.panoramio.com/photo/80724910...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014123629/http://www.panoramio.com/photo/27093038 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015060518/http://www.panoramio.com/photo/30534520...