China, 501 HE (9500 BCE) The people of Pengtoushan began planting the seeds of the wild grass Oryza rufipogon. Now we consider this valuable ... ... <看更多>
Search
Search
China, 501 HE (9500 BCE) The people of Pengtoushan began planting the seeds of the wild grass Oryza rufipogon. Now we consider this valuable ... ... <看更多>