El Raval lies in the heart of Barcelona and forms part of the labyrinth that is known as Ciutat Vella (Old Town). It’s an area bursting at the seams with artists, creative professionals and the city’s more salubrious characters – making up a rich and alluring tapestry for any visitor. Formed in the 14th Century, Raval was created as an extension of the city. The industrial revolution brought factories to the area and with them high-rise tenement buildings, squalor, vice and high mortality rates. During this time it was one of the most densely populated areas in Europe and...