What is the architectural and symbolic significance of the Temple of Heaven?

The four "Longjing Columns" in the Temple of Heaven's Prayer Hall symbolize spring, summer, autumn and winter all year round. The twelve "golden pillars" in the middle symbolize the twelve months of the year; The twelve "eaves columns" on the periphery symbolize twelve hours a day. The middle layer and the outer layer add up to 24, symbolizing 24 solar terms a year. On the third floor, there are 28 symbols of 28 stars in the sky.

Together with the eight copper pillars at the top of the pillar, there are thirty-six in total, symbolizing the thirty-six zenith. In the middle of the floor of the temple is a round marble with a natural dragon and phoenix pattern, which echoes the dragon and phoenix and seal patterns drawn in gold at the top and around the temple. Lei Gongzhu under the Six Treasures symbolizes the emperor's "unification of the world".

Extended data:

Tiantan Park is in the south of Beijing, to the east of Yongdingmennei Street in Dongcheng District. Covers an area of about 2.73 million square meters. The Temple of Heaven was founded in the 18th year of Yongle in Ming Dynasty (1420), and was rebuilt and rebuilt during the reign of Qing Qianlong and Guangxu. Now it is a world cultural heritage, a national key cultural relic protection unit, a national AAAAA-level tourist attraction and a national civilized scenic tourist area demonstration site.

Tiantan Park was a place where emperors offered sacrifices to emperors and prayed for a bumper harvest in Ming and Qing Dynasties. The Temple of Heaven is the floorboard of two altars, Qiuqiu and Gucci. It has double altar walls, forming an inner altar and an outer altar. The altar wall is round in the south and round in the north, which symbolizes the round place.

The main building is in the inner altar, the ball altar is in the south and the valley prayer altar is in the north. The two altars are on the same north-south axis, separated by a wall. The main buildings of the ball arena include the ball arena, the Imperial Palace, etc. The main buildings of the Valley Altar include the Hall of Praying for the Year, the Palace and the Gate of Praying for the Year.

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