The grapes here are almost all ungrafted vines, since the lush stems are the result of lava-soaked soil, and the vines raised to a fair altitude, two factors that, together with abundant ventilation, have made it immune, over time, from the ravages of phylloxera and powdery mildew. In relation to the climate, it alternates between dry and stormy conditions, while the force of Hephaestus manifests itself almost daily, cutting through the mountain and the collective memory of vermilion rivulets, sometimes destructive, sometimes moving.