aria Luisa Park is a particularly beautiful park in the southern part of the city. Five miles (8 km) northwest of Seville are the ruins of the large Roman town of Itlica, which was the birthplace of the emperors Trajan and Hadrian. The remains of its amphitheatre are especially imposing.Modern Seville is the most important inland port of Spain. The port's principal exports are wines, fruit, olives, cork, and minerals. The city's industries include the manufacture of tobacco, armaments, porcelain, and agricultural machinery. Shipbuilding became a major industry after World War II, as did the manufacture of textiles from locally grown cotton. Tourism is a chief economic mainstay of the city. Pop. (1988 est.) 663,132....