The hall of Supreme HarmonyⅠ

The hall of Supreme Harmony, also called the Throne hall, is the latgest hall in the Forbidden City. 

With construction area of 2377 square meters, the double-eaved hall which ranks the highest among palaces, is the largest among the three halls in the Outer halls.

The hall of Supreme Harmony was bulit on a 工-shape marble terraces.

The marble terrace with stone cavings is over 10 meters high, 21 steps in the bottom part and 9 steps in the middle and upper parts respectively.