Introduction to the well kiln: The well kiln is located on the east side of the lower courtyard. It is 5 meters high, 4 meters wide and a hundred feet deep. The finely crafted stone troughs, the tiled windows with the "copper coin" pattern, the wooden stakes for hanging the sedan chair, the stone locks for practicing martial arts, the stone caves for hiding treasures, etc. are ingeniously designed and have many functions.