English operator: Panoramio described at URL: https://web.archive.org/web/20161020193431/http://www.panoramio.com/photo/54889039...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028114838/http://www.panoramio.com/photo/91571211...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030042838/http://www.panoramio.com/photo/91702527...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030040552/http://www.panoramio.com/photo/107851920...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028111458/http://www.panoramio.com/photo/107851917 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023053843/http://www.panoramio.com/photo/54903927 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027235446/http://www.panoramio.com/photo/107442188...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027230612/http://www.panoramio.com/photo/91572081...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028185347/http://www.panoramio.com/photo/91571968...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029110400/http://www.panoramio.com/photo/107442160 determination method:...