English operator: Panoramio described at URL: https://web.archive.org/web/20161027222552/http://www.panoramio.com/photo/105600240...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030040129/http://www.panoramio.com/photo/105656341 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028170846/http://www.panoramio.com/photo/105600474...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027205012/http://www.panoramio.com/photo/105600235...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103001049/http://www.panoramio.com/photo/105600410...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030104601/http://www.panoramio.com/photo/105600557...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030051341/http://www.panoramio.com/photo/105600408...