archive.org/web/20161028192100/http://www.panoramio.com/user/2333416?with_photo_id=106101793 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030203939/http://www.panoramio.com/user/7138306?with_photo_id=112989559 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161027234955/http://www.panoramio.com/user/7138306?with_photo_id=104381927 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028181759/http://www.panoramio.com/user/7138306?with_photo_id=104173455 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102025537/http://www.panoramio.com/user/3057961?with_photo_id=114233688 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102174357/http://www.panoramio.com/user/143517?with_photo_id=115313989 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030214651/http://www.panoramio.com/user/2728263?with_photo_id=114758886 operator: Panoramio described at URL: https://web.archive...
Lithuanian Merkinės piliakalnis. operator: Panoramio described at URL: https://web.archive.org/web/20161030182837/http://www.panoramio.com/photo/112073703...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028040139/http://www.panoramio.com/photo/108018922 determination method...
archive.org/web/20161102015419/http://www.panoramio.com/user/4791461?with_photo_id=110273438 operator: Panoramio described at URL: https://web.archive...