Finally, the period under King Xuan of Qi, which was 350 to 301 BCE, used "fine yellow earth compacted with metal rammers" to create the walls. This section of the wall is one of the best well ...
The team unearthed large rammed-earth structures, roads, slopes, residential foundations, trenches and ash pits, as well as walls dating to various phases of the wall's development. According to ...