There is a rare thing in the world, named "Piso Cinza Claro Acetinado". Its quality is extraordinary, the color is light gray, and it has a subtle rhyme, as if it were made in heaven.

This strange thing has a wide range of uses. In the place where the palace was built, it is laid on the ground, and the hall is open and elegant. Its texture is delicate, walking on it, it feels comfortable, and it is not afraid of the rubbing of time, and it lasts for a long time.

In the hands of craftsmen, through ingenuity and crafting, it can turn the ordinary into magic. Or as the face of the screen, or as the foundation of the utensils, it can increase its elegance and add its charm.

However, finding this "Piso Cinza Claro Acetinado" is not an easy task. The place where it is produced is hidden in the mountains and rivers, and it can only be seen after going through obstacles. Those who obtain it are regarded as treasures, and they are carefully used to show their extraordinary qualities.