Hall of Supreme Harmony(Taihedian)Ⅳ

In the front of the throne, there are four fitments: Baoxiang (Treasured Elephant), Luduan (甪端, a legendary holy animal, partially similar to a lion. It was said that this animal can go 18,000 miles per day and understand all the languages of all the creatures), Immortal Crane and Fragrant Pavilion. The Treasured Elephant symbolizes the strengthening of national stability and sovereignty; Luduan means auspiciousness; Immortal Crane means longevity, and Fragrant Pavilion means the stability of country. On the middle ceiling, there was a crimpling dragon, and the dragon head descends and a pearl in its mouth.

There is a broad dais in front of Taihedian (Hall of Supreme Harmony), people usually call it Danbi or Yuetai. On the Danbi, there are sundial(日晷, an ancient time calculagraph), Jialiang (嘉量, the ancient measuring equipment), a pair of copper tortoises and a pair of copper cranes as well as 18 copper Dings(鼎, an ancient cooking utensils, later on, it became the symbol of a country or power). The base of Taihedian (Hall of Supreme Harmony) is 8.13 meters and is comprised of a three-storey white marble stones. And the surrounding of Taihedian (Hall of Supreme Harmony) is the white fence and balusters. Below the balusters, there are the stone-carved dragon heads for rainwater drainage. In rainy days, there are thousands of dragons spitting the rainwater.