The fire of the novel and movie Tomb Raider has made more people aware of the seductive name of the Nine-Layer Demon Tower. The Nine Layers of the Demon Tower actually exists, and its prototype is the most grandiose tomb, the Blood Wei No. 1, among the more than 200 ethnic minority tombs in Hot Water Township, Dulan County, Northwest China's Qinghai Province.

According to folklore, the tomb is home to a thousand strange demons and devils, and the tomb is nine stories high, which is why it is called the Nine-Layered Demon Pagoda. The owner of the Tomb of Blood Wei No. 1 is still controversial, and many people believe that the tomb is the tomb of Tuguhun aristocrats of the Northwest Nationalities of the Tang Dynasty in the 8th century A.D. Some people think that the owner of the tomb should be the tomb of Tibetan officials sent by the Tubo. However, it is certain that the tomb is indeed an ethnic minority tomb of the Tang Dynasty.

Blood Wei No. 1 tomb is magnificent, sitting in the north to the south, the height of 33 meters, the north-south width of 37 meters, east-west length of 55 meters, it is located just behind the two east-west mountain range in the middle, feng shui is very good, not the average person can have, it is said to speculate that to build this tomb, the laborers every year at least 10,000 people. The two east-west mountain ranges are like two dragons, and this tomb is like the beads by the dragon's mouth, presenting the situation of two dragons playing pearls. The tomb of 9 layers is a layer of manpower layer by layer tamping, layer and layer of the interval are with a hundred years old wood cypress paved and become.

This tomb, although there are many terrible legends, but still can not stop the footsteps of grave robbers, in the 1990s grave robbers with explosives, bulldozers to come to the tomb, resulting in 9 layers of the demon tower of the uppermost two layers have been seriously damaged, archaeologists for this salvage excavation. Through the archaeological excavation of the top two floors of the Demon Tower, a lot of wooden products written in Mongolian and Tibetan during the Tang Dynasty have been unearthed, as well as silk, pottery, jade and gold and silver utensils with the characteristics of ethnic minorities, and the most unearthed ones are the remains of horses. However, archaeologists only dug these two layers and did not continue to dig down. Many people speculate that they dug some very strange things, do not dare to continue to dig, but in fact, because the protection of excavated cultural relics for the protection of technology is not developed enough, afraid of unearthed silk, paintings and calligraphy instantly into ashes, Dingling is a painful lesson, must not let the excavation of the nine layers of the Demon Tower has become the second Dingling. The best way to preserve cultural relics is not to disturb it.