The Chapel of Saint John is two stories, and is long and semi-circular in shape. Dozens of massive columns rooted on the ground floor support the upper gallery. Today, it still stands at 90 feet tall, still looking over the city. There is a moat and two Roman construction defensive curtain walls, which makes a concentric pattern around the fortress. The Traitor's Gate was built during a renovation of the Tower as an additional entrance between 1275 and 1279 during the reign of Edward I. The moat that surrounds the Tower complex was dug during the reign of Richard the Lionhearted. King Henry VIII placed the dome on the top of the towers, to make it more visible, and in celebration of his second wife Anne Boleyn coronation. The tower also features
