Introduction to Sea of ​​Clouds: When the sky is clear, white clouds rise slowly from thousands of mountains and valleys. In an instant, the vast sea of ​​clouds spreads flat on the horizon like a snow-white velvet blanket. It is smooth, thick, and boundless, as if at rest. Sound sleep. Among the four famous Buddhist mountains in China, Buddhists use "Silver World" as the synonym for Mount Emei.