A Tesco employee prepares the salad bar outside the Giraffe restaurant at a Tesco Extra supermarket in Watford, north of London

Reuters
A Tesco employee prepares the salad bar outside the Giraffe restaurant at a Tesco Extra supermarket in Watford, north of London
A Tesco employee prepares the salad bar outside the Giraffe restaurant at a Tesco Extra supermarket in Watford, north of London August 8, 2013. REUTERS/Suzanne Plunkett
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