English operator: Panoramio described at URL: https://web.archive.org/web/20161102150047/http://www.panoramio.com/photo/108322747...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030052015/http://www.panoramio.com/photo/108322838...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029180248/http://www.panoramio.com/photo/108322841...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029071427/http://www.panoramio.com/photo/108322768 determination method...