English operator: Panoramio described at URL: https://web.archive.org/web/20161026224613/http://www.panoramio.com/photo/81008373...
archive.org/web/20161025153221/http://www.panoramio.com/user/3794713?with_photo_id=80842542 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025225153/http://www.panoramio.com/user/3794713?with_photo_id=80749538 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025163624/http://www.panoramio.com/user/3794713?with_photo_id=80216860 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025084949/http://www.panoramio.com/user/3794713?with_photo_id=80226938 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026033545/http://www.panoramio.com/user/2875355?with_photo_id=80776223 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...
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archive.org/web/20161027092153/http://www.panoramio.com/user/3794713?with_photo_id=80842576 operator: Panoramio described at URL: https://web.archive...
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