Researcher Wang Shejiang from Institute of Vertebrate Paleontology and Paleoanthropology of China Academy of Sciences introduces newly-unearthed stone samples at the excavation site of the Paleolithic site at the ruins of the Longgang Temple paleoanthropological site in Hanzhong City, north China's Shaanxi Province, Nov. 24, 2015.

Archeologists from Institute of Vertebrate Paleontology and Paleoanthropology of China Academy of Sciences and Shaanxi Archaeological Institute have found traces of human activities dating back to over one million years ago at the Longgang Temple Ruins. The discovery proves that the Hanshui Valley is also one of the origins of ancient Chinese civilization. The Longgang Temple Ruins was discovered in 1980s. Since 2013, archeologists have excavated a large amount of historical relics from the Paleolithic Age to the Shang and Zhou Dynasties (11th century B.C.-256 B.C.).

Among them, more than 30,000 chipped stone tools were belong to the Paleolithic Age. Meanwhile, archeologists also excavated a relic of the Neolithic Age, with an area of about 150,000 square meters, one of few ruins which have remains dating back to the Paleolithic age in China. Longgang Temple paleoanthropological site, which locates in the southern bank of the Hanjian River in Lianshan Township of Nanzheng County, about 3.5 kilometers away from Hanzhong City in Shaanxi Province, includes pottery workshops, living area and burial area. (Xinhua/Tao Ming)