archive.org/web/20161024093039/http://www.panoramio.com/user/5582834?with_photo_id=70372024 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161021170154/http://www.panoramio.com/user/3336265?with_photo_id=68874939 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161020235728/http://www.panoramio.com/user/3997700?with_photo_id=68890609 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024205230/http://www.panoramio.com/user/4855960?with_photo_id=70545846 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161020093058/http://www.panoramio.com/user/3997700?with_photo_id=68890680 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161020151746/http://www.panoramio.com/user/3997700?with_photo_id=68890376 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161021223452/http://www.panoramio.com/user/3997700?with_photo_id=68890393 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161021082404/http://www.panoramio.com/user/3997700?with_photo_id=68890661 operator: Panoramio described at URL: https://web.archive...
panoramio.com/user/20050?with_photo_id=69543127 operator: Panoramio described at URL: https://web.archive.org/web/20161023210036/http://www.panoramio...
Ángel; SIERRA CANDUELA, Jorge A.; NAVARRO SANZ, Santiago; SAORÍN, Tomás (2012). "Wiki Loves Monuments 2011: the experience in Spain and reflections regarding...