Under the lake in Taiping Courtyard

The secret at the bottom of Taiping Courtyard's lake was the secret of the Forbidden Door. In her letter to Fan Xian, Ye Qingmei mentioned that there was a forbidden door at the bottom of Taiping Courtyard's lake. That forbidden door was where all the secrets were ultimately located. Taiping Courtyard was the place where Ye Qingmei had once lived. It was also the place where the Qing Emperor, Chen Pingping, Fan Jian, and the others had traveled when they were young. It carried many memories and was also the place where Ye Qingmei had deep feelings for the Qing Emperor. The Forbidden Door involved Fan Xian's birth and the secrets of how he came to this world. Fan Xian had suffered from a terminal illness in his previous life, so his spirit had " transmigrated " to Ye Qingmei's son. This was explained as an experiment from the previous civilization. The secret at the bottom of Taiping Courtyard's lake could have an important impact on Fan Xian's life. As for the specific secret content, there was no mention of it in the current information.

According to the information provided, there was a forbidden door under the lake in Taiping Courtyard. The Forbidden Door might be Ye Qingmei's laboratory. There might be modern high-tech equipment inside, such as mobile phones, navigation, computers, and so on. The specific secret content was not mentioned in the provided documents, so it was impossible to determine the function of the Forbidden Door and the specific secret content.

The secret under the lake in Taiping Courtyard was the Forbidden Door. According to the information provided, Ye Qingmei mentioned in her letter to Fan Xian that there was a forbidden door at the bottom of Taiping Courtyard's lake. It was also the final location of all secrets. This Forbidden Door might be Ye Qingmei's laboratory. There might be modern high-tech equipment inside, such as mobile phones, navigation, and so on. The specific secret content was not mentioned in the current information.

Taiping Courtyard's lake was an important location in the Qing Dynasty, and also the location of Ye Qingmei's secret. According to Ye Qingmei's letter to Fan Xian, there was a forbidden door at the bottom of Taiping Courtyard's lake. It was also the final location of all secrets. This Forbidden Door might be Ye Qingmei's laboratory. There might be modern high-tech equipment inside, such as mobile phones, navigation, computers, and so on. The specific secret content was not mentioned in the current information. Thus, the exact secret of Taiping Courtyard under the lake was still unknown.

The secret at the bottom of Taiping Courtyard's lake was the Forbidden Door. According to the description in the original work and the drama version of " Celebrating Years," Ye Qingmei had mentioned in her letter to Fan Xian that there was a forbidden door at the bottom of Taiping Courtyard's lake, which was also the final location of all secrets. Taiping Courtyard was the place where Ye Qingmei had once lived. It was also the place where she, the Qing Emperor, and the others had been carefree when they were young. It carried many memories. This secret room might be a private space and treasure trove that the Qing Emperor had set up at the bottom of the lake. It contained his books, works of art, treasures, and secret documents. The Qing Emperor hid these treasures at the bottom of the lake to protect them from being discovered and attacked by outsiders. The existence of this secret played an important role in the story, triggering a series of events and the process of revealing it. However, the specific content and details were not explicitly mentioned in the search results provided.

The secret at the bottom of Taiping Courtyard's lake had yet to be revealed in the search results provided.

The secret at the bottom of Taiping Courtyard's lake was the Forbidden Door. According to the information provided, Ye Qingmei mentioned in her letter to Fan Xian that there was a forbidden door at the bottom of Taiping Courtyard's lake. It was also the final location of all secrets. Taiping Courtyard was the place where Ye Qingmei had once lived. It was also the place where the Qing Emperor, Chen Pingping, Fan Jian, and the others had traveled when they were young. This secret might be related to Fan Xian's existence and his arrival in this world. According to some theories, the Forbidden Door could be a laboratory with modern high-tech equipment, such as mobile phones, navigation, computers, and so on. However, the specific details and truth needed to be revealed by watching the second season of Celebrating Years.

The secret at the bottom of Taiping Courtyard's lake could be a forbidden door, or it could be a teleportation door to the temple. According to the warning mentioned in Ye Qingmei's letter, opening this door might subvert the order, so only a portion of people could enter the laboratory. Ye Qingmei might have walked out of the temple, but the temple was mobile and did not have a fixed address. In addition, the bottom of the lake could also be an armory and laboratory because Ye Qingmei could use the Barrett to help the Qing Emperor ascend the throne, proving that she had the ability to create bullets. In short, the secret at the bottom of Taiping Courtyard's lake involved the Forbidden Door, the temple, and the laboratory. The specific content needed to be further revealed.

The secret at the bottom of Taiping Courtyard's lake was the Forbidden Door. According to the contents of Ye Qingmei's letter to Fan Xian, there was a forbidden door hidden at the bottom of Taiping Courtyard's lake. It was also the final location of all secrets. This Forbidden Door might be a laboratory with modern high-tech equipment, such as mobile phones, navigation, computers, etc. Fan Xian might be one of Ye Qingmei's test subjects. His appearance might break the current balance, so the Temple might erase his memories. There were other possibilities regarding the secret at the bottom of Taiping Courtyard's lake. For example, Fan Xian was hidden, or the secret had an important impact on Fan Xian's life. In short, the secret at the bottom of Taiping Courtyard's lake was related to the Forbidden Door. It might involve Fan Xian's next life and modern technology.

The secret at the bottom of Taiping Courtyard's lake was the Forbidden Door. In her letter to Fan Xian, Ye Qingmei had mentioned that there was a forbidden door at the bottom of Taiping Courtyard's lake. This was the final location of all secrets. Taiping Courtyard was the place where Ye Qingmei had once lived. It was also the place where the Qing Emperor, Chen Pingping, Fan Jian, and the others remembered when they were young. As for the specific content and meaning of the Forbidden Door, the search results did not provide any more information.