北京发现疑似汉代“界碑”

Core Viewpoint - A newly discovered rock inscription in the northeastern part of Mentougou District, believed to be a Han Dynasty boundary marker, may redefine the history of rock inscriptions in Beijing, dating back at least 1800 years [2][3]. Group 1: Discovery Details - The inscription, featuring the characters "军都界," was found during the ongoing fourth national cultural relics census, marking a significant archaeological find [2][3]. - The rock inscription is located in a remote mountainous area, making it difficult to access, and was discovered following a tip from a hiker [2][3]. - The inscription measures 25 cm in length and 20 cm in width, and is carved in Han Dynasty clerical script [3]. Group 2: Historical Significance - If verified, this discovery would push back the known history of rock inscriptions in Beijing by over 300 years, as the earliest previously known inscription dates back to the Eastern Wei period, approximately 1481 years ago [3]. - The name "军都" is linked to historical records indicating that the area was known as Jundu County since the Western Han Dynasty, and it was incorporated into Changping County during the Northern Wei period [3]. Group 3: Technological Advancements - The current census employs advanced technology for documentation, including panoramic photography and real-time dynamic differential positioning, enhancing the accuracy of data collection [3]. - The collected data is uploaded to a cloud-based platform for further research and expert validation, ensuring a systematic approach to cultural heritage preservation [3]. Group 4: Public Involvement - Increased public participation in cultural relics protection has been noted since the start of the census, with citizens contributing valuable information that aids in the discovery of hidden historical artifacts [4]. - The Mentougou District has completed the review of 563 registered immovable cultural relics and has investigated 258 new leads, with expectations for further discoveries [4].