Heaven and earth as a result of heaven and earth worship, so the inner and outer wall are round. The main buildings are round, while The Circular Mound external relic wall and the Outer wall of Prayer Hall are square, symbolizing round heaven and place. The temple of Heaven inside and outside the wall planted locust cypress, a piece of green sea, give up all the interference of vision. Place yourself in The Circular Mound, look up at the sky, look around the green earth, solemn atmosphere, lead to the realm of imperial power granted by god, the unity of heaven and earth, people and heaven and earth dialogue. The four columns in the hall of Prayer for Good Harvests symbolize the four poles, and the twelve columns inside and outside double symbolize the twelfth month and the twelfth hour. The ceiling is tall and long coil caisson. The smoke of the sacrifice, the music, strengthen the worship and belief in heaven.
Which of the following mainly introduces the Temple of Heaven?
Construction of artistic conception