Introduction to the central square: The central square covers an area of ​​55,239 square meters. With the meaning of "two dragons playing with a pearl", there are three 33-meter high pole lights in the east, west and south. They are like three giant dragon heads on Bayi Road and Taihang East and West Streets. The high pole lights on the east and west are like the eyes of two dragons. The low control rooms on both sides are like the mouths of two dragons. The four surrounding lawns are like dragon bodies. The 365 mushroom lanterns are arranged according to the constellations and distributed among them, which means that the people of Changzhi will have good luck every day for 365 days.