"I like to fill in as much of the space as possible and this one has an uneven surface with tilts and diagonals, so I designed a specific pattern that would fit perfectly into it." This is how Juan Díaz-Faes defines La batalla de Crolla, the site-specific intervention for the largest wall of Espacio SOLO more than 3 meters high in the Moebius room. It is a labyrinthine space where many paths lead to this wall: there is an entrance from the auditorium, stairs from the gallery, an elevated walkway at the top. It is 'street art' for the inside.