Mexico-City - City of the Aztecs, City of the Spaniards (32/418)

Built in the 16th century by the Spanish upon the ruins of Tenochtitlan, the old Aztec capital, the city is today one of the largest and most densely populated cities of the world. Besides the five Aztec temples, there is also the cathedral, and 19th- and 20th- century public edifices such as the Palacio de las Bellas Artes. Xochimilco, 28 km south of the city, with its network of canals and artificial islands is an exceptional testimony of the efforts of the Aztec people to build a habitat amid an unfavourable environment.