Big Ben is a huge clock tower in central London. It is located at the eastern end of the British Parliament building. This is the most detailed and complex Parliament building and it is 98 meters high. The clock was named after Sir Benjamin Hall, who was at the pace of mister of labor in 1858th. Since then, the clock shows the time with almost no mistake. Big Ben is one of the most famous symbols of London. This is the result of extremely complex structures and construction of this clock, which has been a joy for visitors in the observation. Clock shines during night on days when Parliament is in session, and during other days only his indicators are shining.

This watch-tower represents a traditional British lordly medieval building. Details of the tower are so numerous that only at close range is possible to see them all. Very complex exterior often makes it difficult to maintain the tower. Namely, the cleaning must be done at least twice a month, and it takes several dozen workers and a minimum of 8 hours each. So cleaning is usually done at night and on days when Parliament is not in session and when the tower is unlit. While in London, among many other great sights of London, this modern wonder of the world it stands out with its conservative outlook, medieval design and modern pride. More than ten million visitors pass by Big Ben every year.