Roman Amphitheater, Tarragona, spain
Built in the second century A.D. on the shore of the Mediterranean sea. The amphitheatre held many popular events, including gladiator fights. It possesses the elliptical plan which is characteristic of this type of constructions. Beneath the sand, the setting for the spectacles, pits which were used for auxiliary services are situated. In the central part of the amphitheatre the remains of the plan of a Visigothic basilica are preserved (6th century) as well as those of a Romanesque-Gothic church from the 12th century.