[Explanation] After nearly seven years of excavation, archaeologists have discovered cultural relics from the Han Dynasty to the Qing Dynasty in Chengdu’s Donghuamen site, which have passed through more than 2,000 years, witnessing Chengdu’s prosperity since ancient times. June 13 is "Cultural and Natural Heritage Day". Experts reveal the "past life and present life" of the Donghuamen site, demonstrating the process and technology of restoration of cultural relics.

  It is understood that tens of thousands of important cultural relics were unearthed from the archaeological excavations of the Donghuamen site. From the Han Dynasty to the Ming and Qing Dynasties, there were rich relics such as water wells, roads, rivers, buildings, and ditches, as well as the Shujun Office of the Han Dynasty, Sui and Tang to Song Dynasty The important historical sites such as Mahachi, Xuanhua Garden of the Five Dynasties, Shu Palace of the Ming Dynasty, and Gongyuan of the Qing Dynasty not only show the life of the ancient city in Chengdu, but also reflect the city’s 2000 years of “the city’s address remains unchanged, the city name remains unchanged, "The center has not moved".

  [Same period] (Chengdu Institute of Cultural Relics and Archaeology Donghuamen Archaeological Leader Yi Li) Chengdu is an ancient and modern overlapping city. The historical and cultural deposits of the 21 dynasties are all accumulated in this place. You need to expose it layer by layer, layer by layer. Judging, sorting and researching it, so this is the biggest difficulty. The pebble pond bank, there are some parquet roads, and then some building wall foundations, this is the pond courtyard building ruins of Maha Pond. A little further in the distance, there were bricks and red sandstones. The rivers, bridges, and some road facilities preserved in the left garden ruins of the Shu Dynasty in the Ming Dynasty. Then these two parts are two important components of the Donghuamen site.

  [Explanation] It is reported that the cultural relics unearthed from archaeological excavations are mostly due to burial pressure, erosion, stratum disturbance of underground burial environmental factors, and even man-made destruction at the time of abandoned use. Most of them will appear different degrees of fragmentation, deterioration, and debris mixing when unearthed Etc. Sun Jie, deputy director of the Institute of Cultural Relics Protection of the Chengdu Institute of Cultural Relics and Archaeology, said that when dozens of bags of ceramic fragments were transported back to the laboratory of the Cultural Protection Institute, the first thing to do was to conduct a preliminary clean-up of thousands of pieces of porcelain. , Classify, match pairs, determine the number of individual cultural relics. This is the key link for the protection of archaeological relics unearthed in archaeology, the determination of the number of cultural relics, the value of cultural relics, the preservation status, and the investigation and evaluation of diseases.

  [Same period] (Sun Jie, deputy director of the Institute of Cultural Relics Protection of the Chengdu Institute of Cultural Relics and Archaeology) If archaeological excavated (cultural relics), especially a large number of porcelain, its fragments were mixed together at that time, it can be found as soon as it was unearthed It is clear that individual artifacts are very few. Then one of the first things we need to do is to find the right number of pieces in these large amounts of debris, find them together, determine the number of cultural relics, the preservation state of (cultural relics), and whether there are any defects These (problems). What is cleaned out is of repair value, if there are some artifacts that can be repaired, there are probably more than 700 pieces.

  [Explanation] As a major archaeological discovery, the Donghuamen site has also been successively announced by the Sichuan Provincial Government as a Sichuan provincial cultural relics protection unit, and has been included in the important node of the Shudao Shen Heritage. In the next step, the Donghuamen site will be preserved and displayed in accordance with the standards of the "National Archaeological Site Park", showing Chengdu's 2000-year history.

  [Same period] (Chengdu Institute of Cultural Relics and Archaeology Donghuamen Ruins Archaeology Leader Yi Li) plans to build a ruins park, the area of ​​the ruins park is based on our existing excavation area, about 20,000 square meters. In addition to watching some of the relics protected at the original site, (reuse) this way of multimedia, and then revealed the Donghuamen site, some restoration of it, buildings of various periods, scenery of various periods, Some recovery.

  Lu Yang reports from Chengdu

Editor in charge: [Wang Yu]