The Cathedral of Tarragona is a microcosm of the Spain’s turbulent but colorful past–Romans, Visigoths, Arabs, Jews, and Catalans have all called the area home. However, recent excavations reveal that long before the conversion of Spain to Christianity, there was a shrine of tremendous size dedicated to the Emperor Augustus (63 BCE – 14 CE) and in use until the Fifth Century CE. This shrine was located directly under the present Cathedral.
Be sure to read more in this article by the Catalan News Agency.