Introduction to Tianshu Cliff: Tianshu Cliff is a naturally formed rock. It is named because the stone is in the shape of a book page. According to legend, after the four masters and disciples of Tang Monk arrived in the Western Heaven, Tathagata Buddha gave them a wordless sutra. Because Tang Monk couldn't see through it, he had to change a copy of "You Zi Zhen Jing" and take it back to the lobby. In order to protect the true spread of Buddhism in the East, the Tathagata ordered Jinpeng to sit down and find a treasure place in the East to place the "Wordless Sutra". Jinpeng was wandering around and suddenly saw a golden light in the northeast. Knowing that it was a blessed place, he sent the sutra here. It is now Tianshu Cliff.