Here there is a crook in the wall, to enfilade invaders at the gate or provide a vantage for photography. There is always someone with a camera or phone there, sometimes a queue.
To the left there is a colonnade. Not the Colosseum, but we take what we can get. The gate overlooks it:
As I looked down on it, a Scouse bloke blundered into me, and covered his embarrassment by brandishing his white stick and starting up a conversation about the hypocaust, there behind the trees.
Here is the view from the East gate, also crowded with people with cameras.