Introduction to Yanhuang Square: Yanhuang Square is located in a typical mountain basin, facing Yanhuang Peak in the south, Chaosheng Pavilion in the north, Yanhuang Village Ruins Pailu Village in the east, and Yanxi River and Huangshui River in the west. The total area is about 100,000 square meters. The central building in the square is the Huaxia Tongxin Altar, which is 9.9 meters high. It embodies the unity of ninety-nine and the eternal law.