河北考古新发现：确认真定国国都即东垣古城

Core Viewpoint - The archaeological work at the Dongyuan Ancient City site has confirmed its identification as the capital of the Zhen Ding Kingdom, which was previously undocumented in historical texts [1][3]. Group 1: Archaeological Findings - The Dongyuan Ancient City site is a national key cultural relic protection unit located in the northern part of Chang'an District, Shijiazhuang City, near the Taihang Mountains and the Hutuo River [3]. - The archaeological investigations have clarified the scale of the city site, the location of the moat, and the distribution of important building foundations [3]. - A significant discovery includes a large palace foundation in the northern part of the ancient city, characterized by its grand scale and meticulous materials, indicating a well-organized layout [3]. Group 2: Historical Context - The discovered architectural remains span three phases: the late Western Han, early Eastern Han, and late Eastern Han to Wei-Jin periods [3]. - The late Western Han architecture is partially exposed, extending over a hundred meters, with remnants such as drainage systems, platform bases, and column bases [3]. - The early Eastern Han structures were built upon the late Western Han foundations, showcasing a larger scale and better preservation, marking the peak of urban development in Dongyuan [3]. Group 3: Artifacts and Evidence - The unearthed artifacts primarily consist of various architectural components, with floor tiles made of regular square and rectangular bricks, featuring plain and diamond patterns [3]. - The discovery of inscribed tiles such as "Zhen Ding Chang Le" and "Fu Chang Chang Le" provides clear evidence for determining the nature of the Zhen Ding Kingdom's capital during the Han Dynasty [3].