Once upon a time, more than 20 million years ago ... This could be the beginning of the story told by this decor. Once formed in Brazilian swamp basins, it has gradually developed into the personality we marvel at today. Slab by slab, the slate reveals its secrets. Here and there a delicate white vein. However, the fossil of a long-extinct bird is nowhere to be found. But even without it, Artos is a treasure that is a pleasure to have around.