Barcelone:
Barcelona is the administrative and economic capital of Catalonia, the province of Barcelona, the comarque of El Barcelonès as well as its urban area and its metropolitan area in Spain.
Barcelona is the second largest city in Spain in terms of population, economy and activities, the eleventh largest city in the European Union and the sixth largest in the suburbs : More than 5 million people live in the Barcelona agglomeration . Most of the adjacent municipalities are also gathered in the Àrea Metropolitana de Barcelona.
London:
London, the capital of England and the United Kingdom, is a modern city whose history dates back to Roman times. At its center stands the imposing Parliament, the iconic Big Ben and Westminster Abbey, the coronation place of the British monarchs. On the other side of the Thames, the London Eye, the Ferris wheel, offers a panoramic view of the South Bank Center, and the entire city.
Dubai:
Dubai is a city and emirate of the United Arab Emirates known for its luxury shopping, ultramodern architecture and vibrant nightlife. Burj Khalifa, a tower 830 meters high, dominates the urban landscape dotted with skyscrapers. At its foot, the Dubai Fountain features jets and lights synchronized with music. Atlantis, The Palm is a hotel with water parks with marine animals located offshore, on artificial islands.