HANOI, VIETNAM—Traces of a village estimated to be between 3,500 and 4,000 years old have been discovered on the banks of the Pho Day River in northern Vietnam, according to Trinh Nang Chung of the Institute of Archaeology. Tuoi Tre News reports that more than 400 artifacts, including pottery and stone tools from the Phung Nguyen Culture, were unearthed. The artifacts could help scholars shed additional light on Phung Nguyen Culture and the establishment of Vietnam.