The _correfoc_ is a major celebration, both in Barcelona and throughout Catalonia. Calvesklein/Wikimedia Commons, CC BY-SA Every year on August 15, the Gràcia neighbourhood of Barcelona is awoken by a pyrotechnic procession of diables, or “fire devils”, running through its narrow streets, shortly followed by groups of drummers. As revellers dance to the rhythm of percussion and explosions, noise and smoke fill the neighbourhood, transforming its atmosphere and marking the beginning of the neighb