![Excavations continue at the ruins of Yin in Anyang City, Central China’s Henan Province, May 7, 2017. Archeologists have found 18 well-preserved tombs of the Xiongnu people, an ancient nomadic people, at the ruins, and they have determined that they date back 1,800 years. (Photo/VCG)](http://www.ecns.cn/hd/2017/05/08/b4ffee601ec54dbc8fd8ff8cb8890b1e.jpg)
Excavations continue at the ruins of Yin in Anyang City, Central China’s Henan Province, May 7, 2017. Archeologists have found 18 well-preserved tombs of the Xiongnu people, an ancient nomadic people, at the ruins, and they have determined that they date back 1,800 years. (Photo/VCG)
![Excavations continue at the ruins of Yin in Anyang City, Central China’s Henan Province, May 7, 2017. Archeologists have found 18 well-preserved tombs of the Xiongnu people, an ancient nomadic people, at the ruins, and they have determined that they date back 1,800 years. (Photo/VCG)](http://www.ecns.cn/hd/2017/05/08/4c022c266dd843f5b3d6bf31aa381338.jpg)
Excavations continue at the ruins of Yin in Anyang City, Central China’s Henan Province, May 7, 2017. Archeologists have found 18 well-preserved tombs of the Xiongnu people, an ancient nomadic people, at the ruins, and they have determined that they date back 1,800 years. (Photo/VCG)
![Excavations continue at the ruins of Yin in Anyang City, Central China’s Henan Province, May 7, 2017. Archeologists have found 18 well-preserved tombs of the Xiongnu people, an ancient nomadic people, at the ruins, and they have determined that they date back 1,800 years. (Photo/VCG)](http://www.ecns.cn/hd/2017/05/08/f3b3b8980888426983cefce86104d10c.jpg)
Excavations continue at the ruins of Yin in Anyang City, Central China’s Henan Province, May 7, 2017. Archeologists have found 18 well-preserved tombs of the Xiongnu people, an ancient nomadic people, at the ruins, and they have determined that they date back 1,800 years. (Photo/VCG)
![Excavations continue at the ruins of Yin in Anyang City, Central China’s Henan Province, May 7, 2017. Archeologists have found 18 well-preserved tombs of the Xiongnu people, an ancient nomadic people, at the ruins, and they have determined that they date back 1,800 years. (Photo/VCG)](http://www.ecns.cn/hd/2017/05/08/2c125a9e2b3b40efae71a30f50f02707.jpg)
Excavations continue at the ruins of Yin in Anyang City, Central China’s Henan Province, May 7, 2017. Archeologists have found 18 well-preserved tombs of the Xiongnu people, an ancient nomadic people, at the ruins, and they have determined that they date back 1,800 years. (Photo/VCG)