30 degrees north latitude, a mysterious and attractive latitude line. The Egyptian Pyramids, the Babylonian “Sky Gardenâ€, the Mayan Civilization Site, the Chinese Sanxingdui, the Bermuda Triangle, and the Everest... It seems that most of the wonders on the planet, the unsolved mysteries, and even the forbidden places of life run through. Located at the site of Lingjiatan in Hanshan County, Anhui Province, China, it is also near this latitude line. The mysterious jade "ancient country" dating from about 5800-5300 years ago, once discovered more than 30 years ago, has attracted the attention of the world, and it is amazing. Beginning in 2014, the Chinese government began to invest heavily in the construction of the 3.8-square-kilometer National Archaeological Site of Lingjiatan. In 2019, the mysterious ancient jade country will be displayed to the world. The site of Lingjiatan was discovered in 1985. It is a central settlement site of the late Neolithic period about 5800-5300 years ago. It contains rich ancient cultural symbols and many unsolved mysteries. Archaeological excavations show that Lingjiatan culture is closely related to Liaoning Hongshan culture and Zhejiang Liangzhu culture as the three prehistoric jade cultures in China. Jade culture is a unique and unique cultural phenomenon in Chinese history. At present, more than 1,000 pieces of jade articles have been unearthed at the Lingjiatan site. The number of them is high, the craftsmanship is high, and the production is fine, especially compared with other sites in the same period. The jade version unearthed in the first excavation in 1987 is like an ancient "wordless book", which contains complex digital and the mystery of the universe. There is still one in the world. The jade version is sandwiched between the carapace of the jade turtle and the plastron. It is rectangular in shape and has several round holes corresponding to it. The middle part has a circle, the inner circle engraves the octagonal star pattern, and the outer ring is accurately divided into eight by straight arrows. In equal parts, there are four arrows outside the big circle, pointing to the four corners of the jade version. The octagonal star symbol is a mysterious ancient ornament that is spread across many cultures around the world. Some experts believe that the middle of the Lingjiatan jade version represents the sun, the four seasons, eight solar terms and azimuth, and is related to the calendar; some experts believe that this is similar to the Han Dynasty, and should be a timing tool. "This may be China's original gossip map and ancient Luoshu, used to observe astronomy and divination." Zhang Jingguo, a researcher at the Anhui Provincial Institute of Cultural Relics and Archaeology, who was responsible for the excavation of the Lingjiatan site. Square face, wide mouth, slender eyes, arms bent close to the chest, like praying. The six jade people unearthed in Lingjiatan are standing or sitting, and the shape of the eyebrows is vivid and realistic. "The jade man has a checkered pattern on the crown and a diagonal stripe on the waist, indicating that there is textile technology at the time. The jade bracelet on the hand and the earrings on the ear indicate that people have an aesthetic sense at that time." Zhang Jingguo analyzed. Even more amazing is the superb drilling technology at the time. "There was a hole in the back of a jade who found a hole with a diameter of about 0.15mm, which is thinner than the hair. The scratch marks are very regular. What tools are used to drill it? It is still unsolved. Even foreign archaeologists say it is a day. Foreign objects." Zhang Jingguo said. The jade spoon of warm and lustrous, the jade eagle that spreads its wings, and the jade dragon that is vivid and vivid, each piece of jade points to the most advanced technology and culture of human prehistoric civilization. “Lingjiatan is an important jade center in prehistoric times in China. The jade craftsmanship technology reached the peak of the time, showing a strong religious atmosphere and rich cultural connotation.†Wu Weihong, an archaeologist at Anhui University, said. "Different from the Western jade as an ornament, Chinese jade as a ritual is a symbol of the status of power status." Zhang Jingguo said that the jade spoons and other rituals unearthed from Lingjiatan are groundbreaking for the development of later Chinese rituals, while the high level The nobility tombs of the aristocracy have confirmed the emergence of the royal power more than 5,300 years ago. “The excavation and research of the Lingjiatan site is an important part of the “Chinese civilization exploration project†and one of the earliest representative sites for China to enter civilized society.†Gong Xicheng, deputy director of the Anhui Provincial Institute of Cultural Relics and Archaeology . In the first half of 2018, the State Council Information Office released the research results of the "Chinese Civilization Exploration Project". Experts believe that Lingjiatan has entered the early stage of civilized society and provided physical examples for studying the five thousand years of Chinese civilization. The total area of ​​the Lingjiatan site is about 1.6 million square meters. It has been excavated for about 4,780 square meters in 10 times. The sites, cemeteries, altars, workshops and other relics have been discovered. The shape distribution of the tomb area and the specifications of the funerary objects indicate that the society has already had the polarization of the rich and the poor and the class. A large internal and external trench with more than 2,000 meters of defense function reflects that it has a certain ability to allocate public resources at that time, showing the "planning wisdom" of the ancestors. "These indicate that there may have been a royal power and a regional polity that set out religious rituals and social management in the whole society, and entered the 'old country' era." Wu Weihong said. Approximately 3,000 square meters of peculiar terracotta blocks were found in the core area of ​​the site, and archaeological experts speculated that it might be the temple and palace. A well made of terracotta blocks is the earliest known well in China. The reason why this well was used at that time remains to be further studied. "To truly understand the cultural connotation of Lingjiatan, we must also study the economic life situation at that time. In the next step, we will shift the focus to the living area and plan to explore the red clay area next year." Gong Xicheng said. "It is expected that by the end of 2019, the Lingjiatan National Archaeological Site Park will be built and listed to show people the production and life scenes at that time, to reproduce the mysterious jade ancient country and the prototype of urban civilization, and the prosperity of Chinese jade at that time." Lingjiatan Site Tang Jun, director of the management department, said. 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