The City symbols
City  Dragon

[The boundaries of the City of London are marked by short black posts each carrying the City's coat of arms. But at ten locations around the City the boundary is marked by a dragon.  (The City of London's Coat of Arms has two dragons supporting the City's crest.)]

One of the two original statues from the Coal Exchange

Temple Bar (Gate) The Temple Bar Dragon Stands guard over the boundary between the City of London and the City of Westminster.