Buckingham Palace is one of the major tourist attractions in London. It is the official residency o the British monarchy. At the moment British monarchy is led by Queen Elizabeth II. Each time the royal family is in the palace, a flag flies on the roof. The palace was built in 1705 by the Duke of Buckingham. In 1761 King George III bought this palace for his wife. It became a private house of Queen Charlotte and was known as “The Queen’s House”. During the 19th century the house was enlarged and became the official royal residence. Queen Victoria was the first monarch to reside in the palace. She moved there in 1837 leaving Kensington Palace, where she grew up. Buckingham Palace has nearly 600 rooms, including a throne room, a ballroom, a dining-room, picture gallery and even a swimming-pool. Some of its rooms can be visited in summertime, only when the Queen is not at home. One of the most interesting parts of the palace is the Queen’s Gallery, where works of art of the royal collection can be seen. Royal garden and stables are also curious sights. Every year more than 50 000 invited guests are entertained at garden parties, receptions and banquets. Many tourists come here to see the Queen Victoria Memorial which is set right in front of the Buckingham Palace. Every day at 11 am Changing of the Guard ceremony takes place. It is the time when colorfully dressed New Guard parades along the building and replace the existing Old Guard. The ceremony is accompanied by music and attracts a lot of viewers.