English operator: Panoramio described at URL: https://web.archive.org/web/20161021003307/http://www.panoramio.com/photo/69976686...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021150701/http://www.panoramio.com/photo/57087119...
archive.org/web/20161028174747/http://www.panoramio.com/user/1129244?with_photo_id=108800184 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161019150804/http://www.panoramio.com/user/4636868?with_photo_id=53989809 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024221240/http://www.panoramio.com/photo/77788228...
archive.org/web/20161019144745/http://www.panoramio.com/user/6095392?with_photo_id=55557233 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029165547/http://www.panoramio.com/user/1317158?with_photo_id=97095157 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015030832/http://www.panoramio.com/user/4037653?with_photo_id=38435012 operator: Panoramio described at URL: https://web.archive...
- panoramio.jpg Bottom left: City walls of Lucerne - File:Luzern, Stadtmauer.jpg Bottom right: Old town of Lucerne - File:Luzern old part of town edit...
archive.org/web/20161024235714/http://www.panoramio.com/user/2353739?with_photo_id=85711798 operator: Panoramio described at URL: https://web.archive...