The human remains from Zhiren Cave, Guangxi, China. The Zhiren 3 mandible in anterior (A), lateral left (B), and superior (C) views. The midsymphyseal cross-section of the Zhiren 3 mandible (D). The Zhiren 1M3 in buccal and mesial views (E), and the Zhiren 2 M3 in the same views (F). (Scale bar, 5 cm.) (Courtesy of Drs. LIU Wu and JIN Chang-Zhu)