Introduction to the Holy Fire Square: On the north side of the China Millennium Monument is a sunken circular square 1 meter below the ground and with a radius of 17.5 meters. The square is paved with 960 granite pieces, symbolizing the vast territory of China. 9.6 million square kilometers of China. The square is slightly raised from the periphery to the center. In the center of the square is a square sacred fire platform, a cluster of ever-burning "Chinese sacred fire". The fire was taken from the Zhoukoudian ape-man ruins.