Discover central barcelona in a unique way with this guided walking tour of locations in the shadow of the wind a bestselling novel by spanish writer carlos ruiz zafn follow the footsteps of the characters in the book which has sold more than 2 million copies since 2001 and visit barcelona sites unknown to most tourists such as santa anna street baixada de la llibreteria and montcada street see the famous els quatre gats caf and the beautiful church of santa maria del mar and become