Excavations of a 2500-year-old city in China

Archaeologists started excavations at Bairencheng, an ancient city dating back 2500 years, located in Xingtai, Hebei province, north-eastern China.
Archaeologists started excavations at Bairencheng, an ancient city dating back 2500 years, located in Xingtai, Hebei province, north-eastern China.