"I have no problem with the vision. Streatham High Road on a Saturday afternoon can make a fair claim to post-apocalyptic. It's the long walk of Cormac McCarthy's novel The Road I'm struggling with. Since when did any father and son go on an epic trek with so little moaning? Here's how the film would pan out in reality ...

We're going for a long walk, Bob.

Why aren't you using any speech marks, Dad?

Because the prose is as bleak as the landscape.

What a loser.

Just get your coat.

Can't you make Anna go with you?

She's been vaporised in the holocaust.

That's so unfair. It's her turn to go for a walk.

Just get your bloody coat.

..."

John Crace The Guardian