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File:Löwendenkmal - panoramio.jpg Bottom left: City walls of Lucerne - File:Luzern, Stadtmauer.jpg Bottom right: Old town of Lucerne - File:Luzern old part of...
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archive.org/web/20161027000800/http://www.panoramio.com/user/2332377?with_photo_id=80402720 operator: Panoramio described at URL: https://web.archive...
panoramio.com/user/20050?with_photo_id=60604953 operator: Panoramio described at URL: https://web.archive.org/web/20161019151558/http://www.panoramio...
panoramio.com/user/20050?with_photo_id=60604959 operator: Panoramio described at URL: https://web.archive.org/web/20161019151814/http://www.panoramio...