Core Insights - The article discusses the historical significance and archaeological findings of the Tu Cheng Zi site in Inner Mongolia, which spans over 2000 years from the Spring and Autumn period to the Yuan dynasty, showcasing the integration of various cultures and civilizations in ancient China [2][3][5][6]. Summary by Sections Historical Context - The Tu Cheng Zi site was established by the Tuoba Xianbei before the Northern Wei dynasty moved its capital to Luoyang in 494 AD, serving as a foundational city for the dynasty [2]. - The site has been recognized as a national key cultural relic protection unit since 2001 and is set to officially open as a national archaeological site park in August 2025 [2]. Archaeological Findings - The site covers an area of approximately 3.32 million square meters, with city walls ranging from 0.5 to 10 meters in height and a total length exceeding 8800 meters [3]. - The archaeological excavations from 1959 to 2017 revealed a complex of four nested ancient cities, each representing different historical periods, including the Spring and Autumn period, the Warring States period, and the Northern Wei dynasty [3][5]. Cultural Artifacts - Over 10,000 artifacts have been unearthed, reflecting a rich historical sequence and showcasing the cultural exchanges between various ethnic groups [6]. - Notable artifacts include a bronze sword from the late Spring and Autumn period, which bears inscriptions and is linked to historical figures, illustrating interactions between the Central Plains and northern nomadic tribes [7][8]. Educational and Cultural Initiatives - The Tu Cheng Zi National Archaeological Site Park incorporates educational programs and cultural activities, promoting public engagement and awareness of the site's historical significance [11]. - The park features various exhibition areas, including a museum that displays representative artifacts and utilizes multimedia presentations to enhance visitor experience [6][11].