Core Insights - The archaeological team has discovered and confirmed four large courtyard sites in the southwest area of the Liao Shangjing site, providing richer archaeological evidence for studying the layout and historical evolution of the city [1] Group 1: Archaeological Findings - The excavation revealed four large courtyards, with one oriented to the south and three to the east, indicating a significant architectural layout [1] - Historical records suggest that the southwest area of the royal city housed important buildings such as the Linhuang Prefecture, Linhuang County, Confucian temples, and royal monasteries, which are crucial for understanding the nature and function of these structures [1] Group 2: Research Implications - The findings support the understanding of the royal city's eastward layout, aligning with the Khitan cultural tradition of "emphasizing the east" [1] - Evidence of layered construction from both the Liao and Jin dynasties indicates the continuity of urban development after the fall of the Liao dynasty, providing a key sample for studying the urban continuity of northern ethnic regimes [2]