This document compares and provides details about three cities: Barcelona, Maputo, and New York. Barcelona is the capital of Catalonia in Spain and has over 1.6 million people. Maputo is the capital and largest city of Mozambique, known for its beaches and black market. New York is one of the most important cities in the world, with many skyscrapers and monuments like the Statue of Liberty. The document also compares the three cities, noting New York is bigger than Barcelona while Maputo is cheaper but dirtier.