the tour in the Park Güell. This park has more than 100 years of history and its main architectural feature is based on art nouveau, this art form recovers previous construction techniques such as the Catalan vault while being interested in the expressive potential of iron.Next, we will continue with the tour of the Cathedral of the Sagrada Familia, where you will enjoy the facades and the interior of the basilica, you will acquire essential knowledge that only your guide can give about the symbolism that represents the Sagrada Familia as an expression of faith and of Christian ideology through stone construction.