Edinburgh Festival crowd
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Edinburgh Festival sees a revival of the 70's

16 August 2013 Last updated at 23:01 BST

Anyone heading to the Edinburgh Festival this summer might notice an air of nostalgia.

Many of the shows draw on films, television programmes and personalities from the 70's.

It is a trend which is becoming increasingly popular.

Will Gompertz asks if it says something about the way we see modern life.