This terrace is inside the east gate of Hefei. It is five meters high and covers 3,700 square meters.
According to the city's records, Cao Cao had the terrace erected for training archers the use of the crossbow to resist Sun Quan's navy.
A well on the terrace is called High Well (Gaojing) or roof tops of the bungalows in the streets below. Grooves in the rock, made by the ropes used for hauling up water, are still visible on the rim.
Mingjiao Temple on the terrace contains an iron Buddha six meters high and weighing over five tons.