Archaeologists in Central China's Henan province have excavated a large neolithic settlement complete with moats and a cemetery. The Shanggangyang Site covers an area of 120,000 square meters and sits along a river in Zhengzhou, capital of Henan, dating 5,000 to 6,000 years back to the Yangshao culture, which was widely known for its advanced pottery-making technology. The site features two defensive moats surrounding three sides. Researchers have found relics of three large houses as well as 39 tombs, the large number suggesting several generations resided there, archaeologist Gao Zanling, a member of the Zhengzhou Administration of Cultural Heritage, said....