Barcelona is the second largest city in Spain, and the sixth-most populous urban area in the European Union after Paris, London, Madrid, the Ruhr area and Milan. Barcelona is one of the most popular travel destination in the Europe with many tourist attractions, a mixture of ancient and modern architecture, lot of history, sea and mountains at the same time. One of the most famous landmarks in Barcelona is the basilica Sagrada Familia. This unique architecture masterpiece is a Antoni Gaudí's life work.
Barcelona is the 16-th most visited city in the world and 4-th in Europe?