Sevilla is known for its unique monuments like the Cathedral and the Real Alcázar. But behind this World Heritage Sites, lies a 3000 year old past, which has been dominated by the three mayor world religions, the Islamic, Jewish and Christian. Thanks to this cosmopolitan character and the fact that the Guadalquivir river was always a navigable river, the city acquired with the discovery of America a notable cultural and economic wealth. This opening to the outside world was reflected later by two international fairs in the 20thcentury : the Iberian-American Exhibition of 1929 and the Universal Expo 1992. Today the city has over 700.000 inhabitants and is with 1,6 million the fourth largest county of Spain as well as the capital of the Autonomous Region of Andalucia. Perfectly integrated into the urban setting are Seville´s traditions, such as bullfighting, flamenco, the April Fair or the famous Easter processions, which form an interesting contrast to the contemporary trends in architecture, like that of J- Mayer´s design Metrosol Parasol or la Torre Pelli designed by the Argentinian architect- finally a modern city which looks to the future.