The Jardins de les 3 Xemeneies, or the Garden of the Three Chimneys is an outdoor art museum with giant exhibits that change weekly. Located near Montjuïc in the Poble-sec neighborhood, the park gets its name from the three giant brick chimneys nearby. They are all that remains of an early 20th-century power station built by the Barcelona Traction Power and Light Company. Dominated by over a dozen concrete walls of various shapes and sizes, the space is designed to allow urban artists to legally display their works. Every week,…