The "birthplace" of "Dragon Dragons" has a warm climate and a wet river lake all over.

The 70th anniversary of the establishment of Yanbian Prefecture "Longlong" is derived from the discovery of dinosaur fossils discovered by Yanji Dragon Mountain. The Shannan slope is currently the largest fossil producing place in Jilin Province and the largest types of dinosaur fossils. It is also the most eastern part of my country's dinosaur fossil. Zhang Lizhao, a doctor of ancient vertebrate and ancient human research Institute of the Chinese Academy of Sciences, participated in the investigation and excavation of the Yanji Longshan dinosaur fossils. Today, he took us into the origin of the fossils and tells the story of "Dragon Dragon".

In May 2016, the first discovery of dinosaur skeletal fossils in Yanji City, and government departments attached great importance to it. The first time it was established by the National Poor Biofatual Expert Committee, the Chinese Academy of Sciences and the International Institute of Ancient Human Research, and the top domestic experts' excavation and protection work leadership group , Rushing to the scene for the guidance of rescue excavation protection. Zhang Lizhao was one of the members of the expert group. Up to now, a total of 18 fossils were found in the origin of fossils in Yan Jilong Mountain, and more than 290 fossil specimens were collected. "At the beginning, it was found that the dinosaur fossils were at point 1. At the 2nd, the teeth of the beast foot dinosaurs were found in concentratedly.

Zhang Lizhao introduced, "During the excavation, we wrapped the fossils and the surrounding surrounding rocks with gypsum and transported them to the laboratory. Studies and exhibitions. "According to research, the dinosaur animal group of Yan Jilong Mountain fossils lived in the middle of the Baiji Period of 101 million years ago. The river and lakes consisting of red -brown mud rocks and sandstone are deposited. Combined with the characteristics of strata characteristics and the research on the type of fossil animal groups, it is speculated that the Yanji area is a warm and humid climate in the middle of the White Crane, the highly diverse biological diversity, and the rivers and lakes.

The discovery and rescue excavation of Yanji dinosaur fossils received widespread attention from all walks of life at that time, and received strong reports from CCTV and media at all levels. Zhang Lizhao also participated in the live broadcast for many consecutive days to introduce the progress of the excavation work, laying the foundation for Yanji's future development of tourism, enriching cultural connotation, and enhanced popularity. Since 2016, Zhang Lizhao has come to Yanji for two months every year to carry out the excavation, research and protection of dinosaur fossils, and has full feelings for Yanji dinosaurs. Recently, he received the 70th anniversary of the establishment of Yanbian Prefecture "Dragon Dragon" doll, and he liked its cute image very much. "Dragon Dragon" smiled, raised his thumb, confident and calm, and vividly reflected the spiritual style of the people of all ethnic groups in Yanbian, showing the good image of Yanbian's prosperity, ecological civilization, national unity, and vibrant. Zhang Lizhao expressed his hope that the spiritual power and influence of "Dragon Dragon" would help Yanbian develop better.

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