INFO TOURS
http://lisbonlisboaportugal.com/
https://www.lonelyplanet.com/portugal/lisbon/sintra
https://portugal.com/portugal/cities/fatima/sanctuary
https://www.encyclopedia.com/people/philosophy-and-religion/islam-biographies/fatima-religion
https://www.fatima.pt/en/pages/mass
https://www.fatima.pt/en/documentacao
http://www.ncregister.com/blog/jimmy-akin/9-things-to-know-and-share-about-fatima
http://www.torredosclerigos.pt/en/history-and-architecture/tower-brotherhood-museum-church/
https://whc.unesco.org/en/list/755
http://www.porto-tourism.com/porto-attractions/religious-edifices-in-porto/porto-cathedral.html
https://en.wikipedia.org/wiki/Francesinha
https://www.atlasobscura.com/places/sao-bento-station