English operator: Panoramio described at URL: https://web.archive.org/web/20161014163451/http://www.panoramio.com/photo/18388167...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013112616/http://www.panoramio.com/photo/18388370...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013085601/http://www.panoramio.com/photo/18388234...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012233329/http://www.panoramio.com/photo/18388221...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013021143/http://www.panoramio.com/photo/18388124...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013041644/http://www.panoramio.com/photo/18388185...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012055043/http://www.panoramio.com/photo/18388203...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013052232/http://www.panoramio.com/photo/18388322...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012140602/http://www.panoramio.com/photo/18388131...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013102638/http://www.panoramio.com/photo/18388140 determination method...