Archeologists recently discovered 10 sites of 8,000-year-old cultural relics of the early New Stone Age period in Shandong Province.These 10 sites are located in a 150-km long beltlike area of the...
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Archeologists recently discovered 10 sites of 8,000-year-old cultural relics of the early New Stone Age period in Shandong Province.These 10 sites are located in a 150-km long beltlike area of the...