元谋猿人化石在云南发现。贵州观音洞遗址发掘。 灵井遗址在河南发现。

The fossils of "Yuanmou Man" (LPP) discovered in Yunnan. The Guanyindong site (LPP) excavated in Guizhou. The Lingjing site (MP) discovered in Henan.

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常汲井中水最甜，脑越用越灵。

Drawn wells have sweetest water.

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常汲井中水最甜，脑越用越灵。

Drawn wells have sweetest water.

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