archive.org/web/20161023234856/http://www.panoramio.com/user/801668?with_photo_id=50252522 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023160710/http://www.panoramio.com/user/801668?with_photo_id=50252535 operator: Panoramio described at URL: https://web.archive...
DescriptionLeiden - panoramio (2).jpg Leiden Date Taken on 25 June 2011 Source https://web.archive.org/web/20161021033919/http://www.panoramio.com/photo/55425432...