archive.org/web/20161019193710/http://www.panoramio.com/user/969909?with_photo_id=55897470 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031174909/http://www.panoramio.com/user/7487252?with_photo_id=125227687 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028164345/http://www.panoramio.com/user/676255?with_photo_id=99250133 operator: Panoramio described at URL: https://web.archive...
panoramio.com/user/969909?with_photo_id=5729402 operator: Panoramio described at URL: https://web.archive.org/web/20161011012000/http://www.panoramio...
archive.org/web/20161013022206/http://www.panoramio.com/user/1539532?with_photo_id=11352763 operator: Panoramio described at URL: https://web.archive...
DescriptionMariengrotte - panoramio (7).jpg Mariengrotte Date Taken on 12 June 2013 Source https://www.panoramio.com/photo/92152664 Author G. Zapf Permission...
archive.org/web/20161012061509/http://www.panoramio.com/user/969909?with_photo_id=10193889 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012201343/http://www.panoramio.com/photo/10194042 determination method:...