HCA A arte românica

 http://www.slideshare.net/Goncaloandre95/o-romanicoemportugal-ruben-tiago-11811864

 http://www.youtube.com/watch?NR=1&feature=endscreen&v=gHRieNKPUQM

 http://espanha-imagens.blogspot.pt/#!/2012/02/teto-da-mesquita.html

http://youtu.be/txScHQsVLc8