remains from this period. This city has a strong activity in the arts, Commerce, entertainment, tourism, fashion, research, is next to new York the main financial hub of the world. It is the city most visited referring to international visitors. It is the city with the largest number of universities with a total of 43 universities from all over Europe, its population the 14 million people that is the largest on the continent. London boasts four statements of heritages of mankind, the Royal Botanic Gardens of Kew, , the Tower of London, St. Margaret's Church and Greenwich, formed by the Palace and the Abbey of Westminster, other places of great importance, the Cathedral of San Pablo , Tower Bridge , Piccadilly Circus, the British Museum, National Gallery, British Library , among many others. Another place to visit is the by London underground, with 150 years of history, the first to be built in the world. This is a city with an important tourist force, given its great heritage, one of the European cities that know how to conserve and live in its glorious past, as well as with the most advanced current technology, is therefore an example of a large city, despite the typical problems of large cities.