Introduction to Naigu Stone Forest: Naigu Stone Forest is also called Hemozhai Stone Forest, covering an area of 3.333 million square meters. "Naigu" means black in Yi language, and "Naigu Stone Forest" means black stone forest. Entering the Naigu Stone Forest, you will see a dark and majestic patch of strange rocks rising into the sky like the roaring waves of the sea.