Pushing open the mahogany door of the courtyard and walking through the winding corridor, I saw the exquisite octagonal pavilion again, and the well. What on earth was this place? ! Why are they so similar, and there is an indescribable feeling of familiarity... I saw it again, what is that bright red beside the well in the Octagonal Pavilion? What is it? Why is it so red? What is it that has such a beautiful color? Is it a blooming flower? No! Close, close...