Fig.1 a.郭家包梁子2023年度考古发掘区域航拍照；b.牛肩包科学钻探；c.考古发掘场景；d. 2023-B发掘区揭露的大量动物化石 New round excavation at the Yuanmou hominin site a. Aerial photograph of the 2023 excavation area at Guojiabaoliangzi; b. Scientific drilling at Niujianbao; c. The scene of archaeological excavation; d. A large number of animal fossils uncovered in excavation area 2023-B.