There are many sites in London. The Big Ben is a world-known clock. There is one very interesting fact that you are not allowed to get inside the Big Ben if you aren't an Englishman. The London Eye is one of the biggest observation wheels in the world an it's view you'll never forget. Madam Tussaud's Museum is the most famous museum of waxworks. There are lots of famous people from different countries. Piccadilly Circus is a meeting point of the city.