In1929,apeasantinSichuanProvinceuncoveredjade(玉器)andsto...
问题详情：In1929,apeasantinSichuanProvinceuncoveredjade(玉器)andstoneartifacts(手工艺品)whilerepairingaditch(沟渠)locatedabout24milesfromChengdu.Buttheirsignificancewasn’tunderstooduntil1986,whenarchae...