There are a lot of places of interest in London. They are all worth seeing. On the north side of Trafalgar Square stands one of the world's greatest art galleries. The National Gallery represents all schools of Western painting from the Italian Primitives to the early 20th century. Portraits by Reynolds and Gainsborough can be seen here. Since the time of William the Conqueror the Tower of London has served as a fortress, a royal residence, treasury, mint and prison. Here many people were impris