乐生活Yangyuan Nihewan Site 2017/5
Nihewan Site Group is located in Yangyuan Basin, upper reaches of Sanggan River, Yangyuan County, Zhangjiakou City. There are continuous ancient human cultures and internationally recognized Quaternary standard strata. By the end of 2018, more than 380 sites of the early, middle and late Paleolithic and Neolithic Ages had been discovered or excavated. There are tens of thousands of ancient human fossils, animal fossils and various stone tools unearthed. The site group was selected as "100 major archaeological discoveries of the 20th century in China". The representative sites include Mahuangou site 2 million years ago, Xiaochangliang site 1.36 million years ago and Hutouliang site 11.6 million years ago. Among them, the Xiaochangliang site is engraved on the first step of the bronze road of the Beijing Century Altar.
