What is the name of a building, flying butterflies falling from the sky and mushrooms popping up underground?

The circular building is the most distinctive building in the local earth building. Generally speaking, it starts from a center and spreads out layer by layer according to different radii, just like water waves in a lake, which is very spectacular. Its center is family ancestral temple, followed by ancestral halls, verandahs and people living in the outermost ring. The whole earth building is the same size, with an area of about 10 square meter. The same staircase, no family has secrets.

There are many types of earth buildings, one of which is the system of upper, middle and lower halls arranged in depth along the central axis. This kind of earth building, the lower hall is generally the entrance and exit, placed in the front; The nave is in the center, which is a place for family gatherings and welcoming guests. Shangtang is the innermost place where ancestral tablets are enshrined.

In addition to the unique structure, the window sill, porch and cornice inside the earth building are also extremely gorgeous and exquisite, which is really a wonderful work in China residential buildings.

Yongding County has 360 circular buildings and more than 4,000 square buildings. In particular, the strange round earth building is the most traditional Hakka color and the most shocking.

The round earth building is a model of Hakka folk houses and can be called the first building in the world. It is like a "mushroom" emerging from the ground and a "flying saucer" falling from the sky.

This circular building consists of two or three circles, nested from the inside out. The outer ring is more than ten meters high and has four floors. There are one or two hundred rooms, the first floor is the kitchen and dining room, the second floor is the warehouse, and the third and fourth floors are the bedrooms. There are thirty or fifty rooms on the second floor, which are generally guest rooms. One of them is the ancestral hall, which is a public place for hundreds of people living in the building to get married, mourn, celebrate and celebrate. There are also wells, bathrooms, mills and other facilities in the building. The earth building is rammed with local raw soil, without reinforced concrete. The width of the wall foundation is 3m, and the thickness of the bottom wall is 1 .5m, which gradually decreases upward, and the thickness of the top wall is not less than1m.. Then it is divided into many rooms with wooden boards along the circular outer wall, and there is a corridor inside.

Earth buildings not only have the unique function of defending the enemy, but also have the characteristics of earthquake prevention, fire prevention, theft prevention, good ventilation and lighting. Because of the thick soil wall, it is warm in winter and cool in summer.

Hakka tulou sparkles with the wisdom of Hakka people, and its magnificent structure makes people respect. Hakka folk customs are even more intoxicating. Hakka people have been handed down from generation to generation, living together day and night, being United and friendly, living in harmony, with a unique lifestyle, simple, kind, hospitable and hardworking folk customs; The visibility, contact and perception of traditional culture have attracted more tourists' great interest.

Zhangzhou Tulou is located in mountainous areas such as Nanjing, Hua 'an, Pinghe, Zhao 'an, Xiao Yun and Zhangpu in Zhangzhou City. Because of its peculiar shape and unique style, it is known as "the mythical mountain architecture".

Tulou, the barracks, castles and thatched cottages in Chen Yuanguang in the Tang Dynasty, is the product of the special social environment of "foreign bandits come in and out, thieves fight and kill" in southern Fujian. Zhangzhou tulou is made of raw soil as the main material, glutinous rice and egg white as the adhesive, and bamboo chips and wooden strips as the bones and muscles. Wall thickness 1 m, height 15 m or more. After repeated tamping, it is generally three to five stories high, with the first floor being the kitchen, the second floor being the warehouse and the third floor being the living room.