City ​​Wake Up

Meng Fang woke up and found that he had crawled out of a grave. The incomplete memories in his mind pointed directly to thousands of years ago before he fell asleep. But the incomplete memories were organized, and he couldn't remember what was going on. He came down from the mountain and walked into a modern city that was completely unfamiliar to him. In this world ten thousand years later, we are looking for the secret that he slept in ten thousand years ago.