The tradition of pyramid building started in Ancient Egypt as a sophistication of the idea of a mastaba or "platform" covering the royal tomb.

修建金字塔的传统始于古埃及，是与石室坟墓或用“平台”覆盖皇室墓穴这一想法的结合。

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Newgrange, County Meath, Ireland, was constructed over 5, 000 years ago (about 3, 200 B.C.), making it older than Stonehenge in England and the Great Pyramid of Giza in Egypt.

爱尔兰米奇郡的纽格莱奇墓建造于5000年前(大概是公元前3200年)，比英格兰的巨石阵和埃及吉萨大金字塔还要古老。

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The largest of the three pyramids in the Giza Necropolis in Egypt, the Pyramid of Khufu is awesome.

最大的三座金字塔位于埃及的吉萨墓地地区，其中包括胡夫金字塔。

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The tests showed it was four hundred years older than the Stonehenge formation in England -- and a thousand years older than the Great Pyramid of Giza in Egypt.

VOA: special.2010.08.03

The Pyramid of Chefren is the second largest at Giza and the tomb of the Pharaoh Khafre from ancient Egypt's fourth dynasty.

BBC: Egypt reopens Pyramid of Chefren to tourists