The Neolithic Shuanghuaishu site in Gongyi, Henan: Zhengzhou Municipal Institute of Cultural Relics and Archaeology.

Architectural remains include courtyards and large building complex foundations made of rammed earth, a barbican formed by enclosing walls, and remains of buildings constructed by the formwork of wooden planks. Keywords: Gongyi City of Henan Province; Shuanghuaishu site; three encircling trenches; residential area; Yangshao culture EN Gongyi City of Henan Province Shuanghuaishu site three encircling trenches residential area Yangshao culture 17 31 15 11/16/22 20221101 NES 221101 Postscript The original article , prepared by Wanfa Gu , Xu Wang , Yayi Hu , and Yingjun Xin , was published in Kaogu (Archaeology) 2021.7:99-106 with 42 figures. The enclosing wall Q1 is about 261m long and has a foundation trench of 1.1m to 1.7m wide, while Q3 is about 84m long and has a foundation trench of 1.2m to 1.9m wide. The foundation trench underneath the north wall is 1.2m to 2.2m wide and 0.4m to 0.8m deep; the foundation trench underneath the west wall is 1.2m to 2.2m wide and 0.5m to 1m deep; the foundation trench underneath the east wall, although subject to no trial excavation, is 1m to 1.6m wide. [Extracted from the article]