File Number Seven

Why is Mount Helan, hailed as “the Jiangnan of the frontier,” also known as “Ghost Mountain”? Does the mysterious tunnel at its foot really lead to another world?

During World War II, the Japanese army never set foot in the northwest. Why, then, was a massive Japanese military base found beneath Mount Helan? Who were those outlandish, unbelievable weapons meant to fight?

What caused Genghis Khan’s death? Where is his tomb? After destroying Western Xia, why did he massacre the entire city and dig three feet into the ground? What was he searching for?

What causes people who have died to “come back to life” and repeat the actions they performed when they were alive?

Does the mysterious black box really contain the genetic code of the people of Western Xia?

Where is the treasure the last king of Western Xia moved before his kingdom fell?

Why did Zheng He suddenly turn back from the Red Sea during his voyages to the Western Ocean? Is there really a city of the future beneath the Mediterranean?

Why does an ordinary-looking chip conceal a secret that has driven scientists all over the world to distraction?