Introduction to the white stone archway of the tomb of the second concubine: is the gateway to the building complex in the cemetery. The archway is exquisitely carved with white stone and has a structure of three bays and four columns, with a width of 8.7 meters and a height of 6.3 meters. The large and small forehead squares and the front and back of each pillar are carved with clouds, dragons and peony flower patterns, showing the feminine and noble identity of the owner of the tomb.