Moscow is the capital of Russia, its political, economic, commercial and cultural centre. It was founded 8 centuries ago in 1147 by Yuri Dolgoruky. Now Moscow is one of the largest cities in Europe. Its total area is about nine hundred square kilometres. The population of the city is over 9 million. Moscow is one of the most beautiful cities in the world. The heart of Moscow is Red Square. It has more historic associations than any other place in Moscow. The Kremlin and St Basil's Cathedral (Vasily Blazheny) are masterpieces of ancient Russian architecture. The main Kremlin tower, the Spasskaya Tower, has become the symbol of the country. On the territory of the Kremlin you can see old cathedrals, the Bell Tower of Ivan the Great, the Tzar-Cannon and the Tzar-Bell, the biggest cannon and bell in the world. St Basil's Cathedral was built in the middle of the16th century in memory of the victory over Kazan. There are a lot of beautiful palaces, old mansions, cathedrals, churches and monuments in Moscow There are more than 100 museums in Moscow. The largest museums are the Pushkin Museum of Fine Arts and the State Tretyakov Gallery. Other unique museums in Moscow include the All-Russia Museum of Folk Arts, the Andrei Rublev Museum of Early Russian Art, Alexei Bakhrushin Theatre Museum, Mikhail Glinka Museum of Musical Culture and many others. Moscow is famous for its theatres. The best-known of them is the Bolshoi Opera House. Drama theatres and studios are also very popular. Moscow is a city of students. There are over 100 higher educational institutions in it. Moscow is the seat of the Russian Parliament (the Duma) and the centre of political life of the country.