Of course, some scientists have explained: There is a scientific basis for seeing palace ladies in the Forbidden City, because the palace walls are red and contain iron tetroxide, and lightning may conduct electrical energy down. If a palace lady happens to pass by, then the palace wall will It is equivalent to the function of a video tape. If there is another lightning coincidence in the future, it will be like a video projection, and the shadow of the palace lady who was recorded will appear. … Continue readingExperience The Supernatural Events In The Forbidden City