Chalgrove selects a narrow brick-lined lane which passes under the old wall.

Broadstairs

Water Lane. Are you sure you want to go this way?

Chalgrove

We won't get lost if we keep to the river.

Appleby looks bored. Broadstairs is not very impressed either.

Chalgrove

This arch is Thirteenth Century, I believe.

Or perhaps older than that. It's called Traitor's Gate. That's the way they go now.