English operator: Panoramio described at URL: https://web.archive.org/web/20161102160805/http://www.panoramio.com/photo/100840161...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030142446/http://www.panoramio.com/photo/122351469 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031194011/http://www.panoramio.com/photo/122351484...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102072459/http://www.panoramio.com/photo/121164816 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102191536/http://www.panoramio.com/photo/113553685...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031071159/http://www.panoramio.com/photo/119467875...