English operator: Panoramio described at URL: https://web.archive.org/web/20161023214533/http://www.panoramio.com/photo/64914862...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013154950/http://www.panoramio.com/photo/26697286 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013183304/http://www.panoramio.com/photo/26697339...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014215114/http://www.panoramio.com/photo/31578891...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015021532/http://www.panoramio.com/photo/31578901...
panoramio.com/user/84113?with_photo_id=35556360 operator: Panoramio described at URL: https://web.archive.org/web/20161014185653/http://www.panoramio...
archive.org/web/20161019152714/http://www.panoramio.com/user/3453582?with_photo_id=62128719 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161014230232/http://www.panoramio.com/user/4208745?with_photo_id=33616439 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026024105/http://www.panoramio.com/user/7383557?with_photo_id=88033202 operator: Panoramio described at URL: https://web.archive...
house pole English operator: Panoramio described at URL: https://web.archive.org/web/20161025003903/http://www.panoramio.com/photo/82465512 determination...