After the discovery of House F105. which is 204 sq m in floor area, another surprisingly large semi-subterranean House F106 was exposed at tile Xipo site, Lingbao. Henan, in 2004. The house, about 240 sq m in floor area. ix rectangular in shape. In the middle of its north wall ix a doorway with an azimuth of 24°. The walls of its subterrarlearl part are buih of rammed earth, pasted with fine clay and painted in red Oll the surface.The floor, with a total thickness of 25.5 era. eonsists of seven sub-layers of fine clay and rammed earth and is also painted red oil the surface. 45 postholes were found —— 41 in the walls and four in the middle of the floor. Some traces indicate the existence of rammed earth outer walls in the periphery of the subterranean part. The discoveryof F106 is very important to a better understanding of alehiteetural teehniques during the middle Yangshao period(ea. 6000 BC - ea. 5500 BC).
