London is the capital city of England and the United Kingdom. It is the most populous city in the United Kingdom with a metropolitan area of over 13 million inhabitants. One of its main attraction is the Big Ben, which is the nickname for the Great Bell of the clock at the north end of the Palace of Westminster. A photo of the Big Ben can be seen below:
Barcelona is the capital city of the autonomous community of Catalonia in Spain and the country's 2nd largest city, with a population of 1.6 million within its administrative limits. One of the main attraction of this city is the Park Güell. From this park you can see a well-known sign, reading "Okupa y resiste", of a squat and anarchist center. An image of such sign is shown below:
