Dedicated to the historical development of the West Liaohe River, one of the three origins of China s 5,000 years of civilization, an academic symposium was recently held in Tongliao, North China s Inner Mongolia Autonomous Region.
Study finds evidence of the formation and structural evolution of prehistoric agricultural economy in Central China phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.