Prized as on of London’s oldest palaces, pc tower has served also like a fort and prison. Manufactured by William the Conqueror in 1078 developed known simply because White Tower system. In the 12th century a moat all around the tower was constructed by Richard the Lionhearted. Pc tower has functioned as a full time income quarter, fortification and prison for many royal paid members. The architecture is fabulous to view and offers a great exhibit for people who verify.