English operator: Panoramio described at URL: https://web.archive.org/web/20161026012212/http://www.panoramio.com/photo/84516448...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031181544/http://www.panoramio.com/photo/120296134...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021024808/http://www.panoramio.com/photo/52536711...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020141918/http://www.panoramio.com/photo/53483246...
archive.org/web/20161017081950/http://www.panoramio.com/user/5250256?with_photo_id=44516080 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161112110958/http://www.panoramio.com/photo/48210189...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030234110/http://www.panoramio.com/photo/120326583...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030222638/http://www.panoramio.com/photo/120299310...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103005553/http://www.panoramio.com/photo/120326201...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031033838/http://www.panoramio.com/photo/120299293 determination method...