The ancients were more concerned about "entering the earth for safety" after death, and as early as the Zhou Dynasty, people formulated a very complete "funeral rite" and advocated burial in the ground after death. As the saying goes, if you are not afraid of thieves, you are afraid of thieves, and those ancient tombs with rich funerary products, or tombs where the owner of the tomb has a vendetta against people, will inevitably suffer some twists and turns, so the dynasties and dynasties have both tomb robbers and people who have worked hard to prevent tomb theft.
No one wanted to end up with the same fate as King Chu Ping. King Chuping had a vendetta against Wu Zixu, and as a result, after his death, Wu Zixu shaved out and whipped the corpse, and Wu Jun also took away all the treasures in his tomb. The reasons for robbing tombs are different, some are seeking revenge, some are only for money, and some are for military funds, and there are many ways to prevent theft, such as setting up suspicious tombs and setting up organs.
There are even people who directly write "I have no money" on the tombstone (Zhang Zhan, the general of the Zhendong Dynasty during the Wei Taihe period). Zhang Zhan thought that he could succeed in preventing theft by finding another way, but in the sixth year (429) of Emperor Yuanjia of Song, others still dug up all his tomb treasures. To say, the most successful anti-theft tomb must belong to a "quicksand tomb" in Baoji.
It turned out that in the 1990s, a local villager was building a wall, and as a result, he inadvertently dug out an old square brick in the foundation. He vaguely felt that this was a cultural relic that revealed important information, so he reported the matter, and the cultural relics department immediately organized an archaeological team to come, and after identification and analysis, there should be an ancient tomb where the square brick appeared.
After the excavation of archaeologists, it was found that there were already 17 robbery caves in the vicinity, so everyone felt that this ancient tomb should have been stolen and dug up long ago. However, the subsequent discovery surprised them. As the excavations slowly progressed, layers of fine sand began to emerge from the underground sealed soil, and these sands were wrapped in the bones of 9 corpses.
Experts speculate that these people should be the tomb robbers who have broken the cave. Then everyone continued to work, but found that the sand was getting more and more, so they had to invite the mechanical team members to shovel all the sand in batches and transport it to other places to pile up. It is already obvious that this ancient tomb is a typical "quicksand tomb", and the "quicksand" is designed to prevent theft.
"Quicksand tombs" are not built casually, and they need precise design in terms of site selection, sealing soil, filling soil, tomb structure, setting up wooden boxes and coffins, and sand accumulation stones. Tomb robbers want to enter the tomb, they must first make enemies with dozens of tons of sand around the tomb, even if they take out a part of the sand, other sand will be immediately covered, for the sake of efficiency, many people choose to give up.
Even if the grave robber refuses to give up and continues to "work hard", it is easy to be trapped by the quicksand, and those who solve the quicksand and jump up may step on the overhead pedals built in the quicksand and then fall into a deeper bunker. The fine sand under the sealing layer becomes the burial place of the tomb robbers, and those who enter the tomb will also be blocked by the quicksand.
Therefore, experts also found the corpses of tomb robbers in the burial chamber, plus the front, a total of 30 bodies. There are many precious jade and bronzes, Yong bells, chimes, and four-eared round books in the tomb, a total of about 2,000 pieces. There are even two wooden box rooms in the tomb as "suspicious coffins", confusing people, which shows that the tomb builders have good intentions. According to the analysis, this tomb is the tomb of King Cai in the Warring States period, and because of its exquisite design, it has become an excellent place to preserve cultural relics.