English operator: Panoramio described at URL: https://web.archive.org/web/20161101044502/http://www.panoramio.com/photo/128671931 determination method...
Sula south of Akureyri, Iceland operator: Panoramio described at URL: https://web.archive.org/web/20161101044450/http://www.panoramio.com/photo/128671930...