Sinanthropus pekinensis was a still older time.

Sinanthropus pekinensis goes back about 780,000 years ago.An old idea is about 500,000 years ago.The Nanjing instructor university in China was reported.It was carried by English science magazine Nature.The research team extracted the mineral and stone implement in a stratum.The content of a radioactive element was investigated.The age buried in the earth was deduced from there.
The postscript of edit.It is a rainy day today.It is windy.The second son's car was destroyed yesterday.It is not known who broke.It was shocked.