La Llum de l'Ebre — Cathedral Video Mapping

Turn up after dark and the great Gothic front of Tortosa Cathedral becomes a screen. Light and sound peel back the centuries on the stone itself, walking you through what stood here before the cathedral did: a Roman temple, a Visigothic church, an Andalusian mosque, then the soaring Gothic nave and its later baroque face. The building seems to rebuild and dissolve in front of you, which is a strange and rather lovely thing to watch.

It is short, free and entirely visual, so there's no language barrier and nothing to book. Shows run on weekend evenings, with two late slots each night once the sky has properly darkened. Come a little early, find a spot on the square with a clear view of the façade, and let the city tell its own story for a few quiet minutes.