Guess the place name without seeing the thunderstorm.

Nanjing. Explanation: Thunder and lightning, pouring rain, it's scary and scary, but now that the thunderstorm is gone, it's hard to surprise people in (South) and (Beijing). It's homophonic, so the answer is Nanjing.

China's riddle was originally called "Yin". It began in the Warring States period. Its record can be found in Han Feizi: "Uchijima and Wang Yin ascended the throne together." Then it is called "thin character" and "thin character".

Finally, the word "mystery" was formed, which was found in Liu Xie's Wen Xin Diao Long in the Southern Dynasties. The fifteenth edition of "He Yin": "Since the Wei Dynasty, it has been a pity, but some gentlemen ridiculed it and turned it into a riddle."

China's mysterious culture has a long history, with profound implications and humorous answers. China's earliest mystery is the fan that Cao E broke the clutch in Liu Yiqing's "Shi Shuo Xin Yu Wu Yujie Pian" in the Southern Dynasties and the Song Dynasty, which has been around 1500 years.