Zhu's team surveyed the region around the fossil site, and discovered stone tools buried deep in the side of a gully in Shangchen,[8] less than three miles away.[10] The team, later joined by British paleoanthropologist Robin Dennell in 2010,[8] thoroughly searched the gully[8] and excavated the site between 2004 and 2017, and their findings were published in July 2018 in the journal Nature.[1][2]