London is the biggest city in Britain. Over seven million people live and work in London.

London  is also one of the most important cities in the world. It is a centre for business and tourism. 

London is a beautiful city. There are a lot of awesome sights here. Let's do the treasure hunt through the city!

Study the information about  the most famous London's sights carefully and then do exercises to improve your skills. Try to find all hints (hidden in comments) to look for treasure.