Changzhi Bayi Square was built in 1969 and began to be renovated in 1992. The total area now covers 114333 square meters, of which: green area is 44,717 square meters, hardened area is 6,7753 square meters, and pool area is 1963 square meters. The main platform is the 10-li Taihang Central Plaza, covering an area of 7200 square meters. In June 1993, the original trading center was demolished and a large sound-controlled color music fountain was built in the center of the square. The fountain pool is 50 meters in diameter and the water capacity is 1945 cubic meters. 446 red, yellow, blue and green underwater floodlights are colorful. 1290 sprinklers reproduce the magnificent picture of the 129th Division of the Eighth Route Army fighting in Taihang. With the beat of music, a group of tricks are sprayed every 20 seconds, and the three main sprinklers are sprayed as high as 36.9 meters, meaning long-term economic prosperity. The flag of Taipei side 13 poles fluttering in the wind, symbolizing 13 counties, cities and districts standing on the same route.