Introduction to the painted mural "The Clouds of the Four Gods": The mural of the Clouds of the Four Gods is 5.14 meters long, 3.27 meters wide, and covers an area of ​​16.8 square meters. It is located on the top of the tomb chamber. In the middle, there is a 7-meter-long dragon flying in the middle, a red bird in the east, a white tiger in the west, The surroundings are decorated with patterns of monsters, Ganoderma lucidum and cloud patterns, which have extremely high historical and artistic value. It is not only the earliest, largest, highest-level and best-preserved mural ever seen in China, it is also a magnificent epic that carries the thoughts of Chinese gods in the early Western Han Dynasty. It is known as "Dunhuang before Dunhuang" and "Beyond Dunhuang". Dunhuang."