What was the Hall of Supreme Harmony in the Forbidden City used for in ancient times?

The Hall of Supreme Harmony is a place where various ceremonies are held, but it is rarely used in history. The place where emperors of Ming and Qing Dynasties ascended the throne, held ceremonies and offered sacrifices. It is the tallest two-eaves roof building in the world. In addition to a straight ridge at the top of the temple, two double eaves each have four vertical ridges. The main ridge and the vertical ridge are not only gods and animals with different images made of yellow glazed tiles, but also the vertical ridge animals at the top of the temple are unique and varied. ?

Twenty-four emperors in the Ming and Qing Dynasties held grand ceremonies in the Hall of Supreme Harmony, such as the emperor's accession to the throne, marriage, conferring the queen, and being ordered to go to war. In addition, every year, the emperor receives congratulations from officials of civil and military affairs and holds a banquet in honor of princes and ministers. In the early Qing Dynasty, the Hall of Supreme Harmony held the Jinshi Examination. The fifty-fourth year of Qianlong (1789) was held in Baohe Hall.

Extended information: architectural features of the Hall of Supreme Harmony;

The Hall of Supreme Harmony is the tallest double-eaved building in the world. In addition to a straight ridge at the top of the temple, there are four vertical ridges (also known as "bifurcation ridges") on the double eaves on the second floor, and eight vertical ridges on the double eaves on the second floor. Each vertical ridge is decorated with gods and animals with different images; On the eight "vertical ridges", * * * is decorated with 88 gods and animals. But the decoration on each ridge is the same.

There is a broad platform in front of the Hall of Supreme Harmony, called Shan Pen, commonly known as the platform. The platform is equipped with a sundial and a fine scale, a pair of bronze turtles and cranes, and a bronze tripod with a seat of 18. Turtles and cranes are symbols of longevity. A sundial is an ancient timer and a beam is an ancient standard ruler, both of which are symbols of imperial power. Your highness is eight years old. 13m three-layer white marble stone base with railings around it. ?

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Baidu encyclopedia-hall of supreme harmony