English operator: Panoramio described at URL: https://web.archive.org/web/20161028174614/http://www.panoramio.com/photo/92577649 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102184001/http://www.panoramio.com/photo/114338860 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031070548/http://www.panoramio.com/photo/125261960...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015000553/http://www.panoramio.com/photo/134110302...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029201834/http://www.panoramio.com/photo/106057702...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102052803/http://www.panoramio.com/photo/125261884...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102130956/http://www.panoramio.com/photo/115266065...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028004409/http://www.panoramio.com/photo/100535074...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102131009/http://www.panoramio.com/photo/115266068...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028145336/http://www.panoramio.com/photo/102838278...