Take part in a 45-minute immersive virtual experience that uncovers the hidden secrets and legends of Porto. Enjoy a unique show full of mystery suspended between reality and imagination. Go beneath the Porto Customs House, Furnas da Alfândega, through a secret tunnel where a hidden treasure was discovered: the most precious legends of the Undefeated City the North Region”. Hear entertaining stories narrated by the voices of Pedro Abrunhosa, the great Portuguese author, and “Best Actor” Academy Award winner Jeremy Irons.  See the walls of Furnas da Alfândega come alive with graphic animations and music, illustrating fascinating folklore and mysteries.   Be part of a unique audiovisual experience of national resonance, which aims to become a landmark of the city and a must-do cultural activity to be enjoyed by the people of Porto and visitors alike.