English operator: Panoramio described at URL: https://web.archive.org/web/20161029185206/http://www.panoramio.com/photo/107554121...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101031807/http://www.panoramio.com/photo/128964134...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102045757/http://www.panoramio.com/photo/128965092 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027155155/http://www.panoramio.com/photo/107554191...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030050015/http://www.panoramio.com/photo/107554187...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021163321/http://www.panoramio.com/photo/59674932...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021083908/http://www.panoramio.com/photo/59674949...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023120657/http://www.panoramio.com/photo/59674953...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023181452/http://www.panoramio.com/photo/59674911...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020222718/http://www.panoramio.com/photo/59674872...