Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://www.inforoznava.sk/cestopisy/kralovske-zamky-v-kodani
http://www.yenbaet.com/p861198627/h1A3BA495
https://es.pinterest.com/pin/7951736822224111/
https://es.wikipedia.org/wiki/Palacio_de_Christiansborg
http://traveljapanblog.com/wordpress/2014/01/christiansborg-palace-from-copenhagen-city-hall/
https://www.mejobs.eu/en/hot-jobs/494
http://ayay.co.uk/background/art/danish/christiansborg-castle-after-the-fire/
Mariano Ruiz de Ael
http://www.visitcopenhagen.com/copenhagen/christiansborg-palace-gdk420896