Learn English in London, a modern, thriving metropolis and arguably the most famous city in the world. London is home to three World Heritage Sites: the Tower of London, the Palace of Westminster and the historic settlement of Greenwich, as well as being one of the world's leading cultural, business and financial centres. With 5 airports, the city is also an international transport hub. There is so much to see and do in London, from sightseeing in Westminster, to shopping in Oxford Square, to having a stroll through Hyde Park.