English operator: Panoramio described at URL: https://web.archive.org/web/20161029180752/http://www.panoramio.com/photo/93310636...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102211558/http://www.panoramio.com/photo/53713425...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031210355/http://www.panoramio.com/photo/113772837...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101100001/http://www.panoramio.com/photo/120296631...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031144341/http://www.panoramio.com/photo/120327174...
English operator: Panoramio described at URL: https://web.archive.org/web/20170515213842/http://www.panoramio.com/photo/120296608...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030224727/http://www.panoramio.com/photo/120326640 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101010144/http://www.panoramio.com/photo/120327132...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031183707/http://www.panoramio.com/photo/120325390...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031001610/http://www.panoramio.com/photo/120296888...