English operator: Panoramio described at URL: https://web.archive.org/web/20161019202025/http://www.panoramio.com/photo/53736519...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020080707/http://www.panoramio.com/photo/53736431 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023114639/http://www.panoramio.com/photo/53736201...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019200154/http://www.panoramio.com/photo/53736392...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019215522/http://www.panoramio.com/photo/51387617...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028100041/http://www.panoramio.com/photo/100069817...