The City of London has been governed from the area occupied by Guildhall for over 800 years. Today Guildhall is home to the Corporation of London, the City's local authority, it's ancient walls housing a modern civic government steeped in centuries of tradition.
We didn't visit all of Guildhall. We visited the Great Hall and the Clock Museum.
The Great Hall is the setting for ceremonial and civic events, including the election of the Lord Mayor and the Sheriffs, and the Silent Ceremony at which the new Lord Mayor takes office. There are monuments in the Great Hall and statues of Gog and Magog.
Here is a picture of one of the monuments: