Why you should always assume the driver has not seen you

I think those double-minis are always bad news. I remember when I was first learning to drive in sleepy Bristol the test route took one in on Southmead Road. It used to shit me up every time.

...

Ah, here it is: YouTube- Double mini-roundabout in Bristol - twice
There's an OK chip shop there, in case you're tempted to get off and walk. The Cod Almighty, I think.

Who took this video and why? It seemed a bit weird at the beginning and then we get the same journey from the other direction.