Zara: Inside the secretive world of the fashion brand

Emma SimpsonBusiness correspondentWatch: BBC given exclusive behind-the-scenes access to Zara’s Spanish headquartersIt's going to be a very sexy summer, a touch of romantic, cowboy and rock and roll.That's according to Mehdi Sousanne, at least. And he should know. He's a designer for Zara who helps create the clothes for a brand that's one of the most successful stories in High Street fashion.Zara is owned by…