From 2019 to 2023,the Erlitou Work Team of the Institute of Archaeology,CASS continued to focus on exploring the overall layout of the central area of the Erlitou site and found that grid-patterned roads uncovered before 2018 extended into a larger area.Two main roads were newly discovered.Additionally,rammed earth walls parallel to these main roads were found on both sides.As early as the early stage of Erlitou culture phase Ⅱ,roads around the palatial area began to appear.By Erlitou culture phase Ⅲ,walls and roads in each sub-region of the central area of the site had essentially formed and were still in use until the late stage of Erlitou culture phase Ⅳ,forming a multi-grid layout throughout the Erlitou capital city.The discovery of this main road network and sub-region walls is of great value for studying the layout and evolution of the Erlitou capital city,urban planning sequences,and the evolution of kingship.
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