English operator: Panoramio described at URL: https://web.archive.org/web/20161024230059/http://www.panoramio.com/photo/81008367...
archive.org/web/20161027055659/http://www.panoramio.com/user/3794713?with_photo_id=80842511 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025222334/http://www.panoramio.com/user/3794713?with_photo_id=80749294 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026015826/http://www.panoramio.com/user/3794713?with_photo_id=80216757 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026213159/http://www.panoramio.com/user/3794713?with_photo_id=80226720 operator: Panoramio described at URL: https://web.archive...
Ángel; SIERRA CANDUELA, Jorge A.; NAVARRO SANZ, Santiago; SAORÍN, Tomás (2012). "Wiki Loves Monuments 2011: the experience in Spain and reflections regarding...
archive.org/web/20161024132715/http://www.panoramio.com/user/1238588?with_photo_id=85790741 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025201546/http://www.panoramio.com/user/1238588?with_photo_id=85790737 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026191033/http://www.panoramio.com/user/4147970?with_photo_id=82042323 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024225157/http://www.panoramio.com/user/1238588?with_photo_id=85790757 operator: Panoramio described at URL: https://web.archive...