Which is the most complete and largest existing royal garden in China?

Chengde Summer Resort China's largest existing classical royal garden Located in the northern part of Chengde City, it is the largest existing classical royal garden in China. Villa was built in 1703, before and after 89 years to complete, covering an area of 5.64 million square meters, equivalent to twice the Summer Palace, there are eight Beihai Park so big. She is not only large-scale, but also in the overall planning and layout and architectural design of the garden make full use of the original natural landscape features and favorable conditions, drawing on the Tang, Song and Ming generations of the excellent tradition of gardening and gardening experience in the south of the Yangtze River, to synthesize, improve the garden art and technical standards to an unprecedented height, and become the highest example of classical Chinese gardens. The architectural layout of the villa can be roughly divided into two major parts: the palace area and the garden area, and the garden area can be divided into three parts: the lake area, the plain area and the mountain area. There are 72 scenes of Kangxi Qianlong's determination. Palace area is located in the southern part of the villa, including the "Palace", "Songhe Zhai", "Ten Thousand Gully Pine Wind" and "East Palace" (destroyed) four groups of buildings. The main palace is the main building, including 9 courtyards, divided into "front", "after the bed" two parts. The main hall is called "Tanya Jingcheng", which was built with precious nanmu wood, and is therefore also called the Nanmu Hall. This was the place where the Qing emperors ruled the government and where all kinds of grand ceremonies were held. Although the lake area is not as big as the Kunming Lake in the Summer Palace, the lake is divided into five lakes by the long embankment and islands, and there are bridges between the lakes, and the two sides of the lake are shaded by green trees, which makes the lake appear to be winding and colorful. Most of the scenic buildings in the lake area are modeled after the famous places in the south of the Yangtze River, such as "Yanyulou", which is modeled after the shape of the Yanyulou in the South Lake in Jiaxing, Zhejiang Province. The layout of Jinshan Island is modeled after Jinshan in Zhenjiang, Jiangsu Province. The plain area is mainly a piece of grass and woods. In the past, there was a garden of ten thousand trees, in which there were more than twenty yurts with different specifications. In December 1994, the Summer Resort was included in the list of World Heritage Sites.