The bottom of Qing Yunian's lake was a place called the Forbidden Door, or it could be a temple. According to the description in the novel, there might be some high-tech instruments and scientific literature hidden at the bottom of the lake, as well as letters between Ye Qingmei and the Qing Emperor. The specific details and content were not found in the search results provided, so it was impossible to determine the specific content at the bottom of the lake.
The bottom of Qing Yunian's lake was a place called the Forbidden Door, or it could be a temple. According to the description in the novel, there might be some high-tech instruments and scientific literature hidden at the bottom of the lake, as well as letters between Ye Qingmei and the Qing Emperor.
The bottom of Qing Yunian's lake was where the Forbidden Door was. According to the contents of Ye Qingmei's letter to Fan Xian, there was a forbidden door hidden at the bottom of the lake. It might be a laboratory, and there might be modern high-tech equipment inside. Fan Xian might open this door and enter the hidden door. There might be many secrets inside the hidden door. The specific details and content of the bottom of the lake were not mentioned in the search results provided.
The bottom of Qing Yunian's lake was where the Forbidden Door was. According to the contents of Ye Qingmei's letter to Fan Xian, there was a forbidden door hidden at the bottom of the lake. It might be a laboratory, and there might be modern high-tech equipment inside. Fan Xian might open this door and enter the hidden door. There might be many secrets inside the hidden door. The specific details and content of the bottom of the lake were not mentioned in the search results provided.
The bottom of Qing Yunian's lake was where the Forbidden Door was. According to the contents of Ye Qingmei's letter to Fan Xian, there was a forbidden door hidden at the bottom of the lake. It might be a laboratory, and there might be modern high-tech equipment inside. Fan Xian might open this door and enter the hidden door. There might be many secrets inside the hidden door.
The bottom of Qing Yunian's lake was called the Forbidden Door, and it could also be a temple. According to the descriptions in the novels and dramas, there might be some high-tech instruments, scientific literature, and letters between Ye Qingmei and the Qing Emperor hidden at the bottom of the lake. The specific details and content were not found in the search results provided.
The bottom of Qing Yunian's lake was where the Forbidden Door was. According to the contents of Ye Qingmei's letter to Fan Xian, there was a forbidden door hidden at the bottom of the lake. It might be a laboratory, and there might be modern high-tech equipment inside. Fan Xian might open this door and enter the hidden door. There might be many secrets inside the hidden door. The specific details and contents of the lake bottom were not mentioned in the search results provided.
The bottom of Qing Yunian's lake was where the Forbidden Door was. According to the contents of Ye Qingmei's letter to Fan Xian, there was a forbidden door hidden at the bottom of the lake. It might be a laboratory, and there might be modern high-tech equipment inside. Fan Xian might open this door and enter the hidden door. There might be many secrets inside the hidden door.
At the bottom of the lake was a place called the Forbidden Door. It could be a laboratory or a temple. According to the description in the novel, high-tech instruments, scientific literature, and letters between Ye Qingmei and the Qing Emperor might be hidden at the bottom of the lake. The specific details and content were not found in the search results provided.
The bottom of Qing Yunian's lake was thought to be a place called the Forbidden Gate, or it could be a temple. According to the description in the novel, there might be some high-tech instruments and scientific literature hidden at the bottom of the lake, as well as letters between Ye Qingmei and the Qing Emperor. Fan Xian might open this door and enter the hidden door. There might be many secrets inside the hidden door.
The bottom of Qing Yunian's lake was known as the Forbidden Door, and it could also be a temple. According to the description in the novel, there might be some high-tech instruments and scientific literature hidden at the bottom of the lake, as well as letters between Ye Qingmei and the Qing Emperor. However, the specific details and content were not found in the search results provided. Therefore, there was currently no definite answer as to what exactly was at the bottom of Qing Yunian's lake.
The bottom of Qing Yunian's lake was known as the Forbidden Door, and it could also be a temple. According to the description in the novel, there might be some high-tech instruments and scientific literature hidden at the bottom of the lake, as well as letters between Ye Qingmei and the Qing Emperor. However, the specific details and content were not mentioned in the search results provided. Therefore, there was currently no way to get a definite answer as to what was at the bottom of Qing Yunian's lake.