They stared in open-mouthed silence as their brains tried to come to terms with the sight that greeted them. After following Sofia through a gap in the middle of a pile of large rocks, that obviously guarded a hidden entrance, they had wound their way along a short passageway, and even in the darkened tunnel, they could make out a number of wall paintings or carvings set in the surrounding rock. Morales wasn"t an expert like his wife, but he assumed them to be very old indeed. What shook he and Ruiz to the core, however, wasn"t the tunnel, but the vast cavern in which they eventually found themselves. Using her cigarette lighter, Sophia had lit two wicker torches which hung on the walls, providing a modicum of decent light for them to view the scene. And what a scene! The walls themselve

