Not only do these pyramids have mystic qualities, they are truly a site to behold. The pyramids are also some of the oldest man made objects that still exist on this planet.

这些金字塔不仅散发着神秘的气质，而且也是真正值得一看的景点，同时，他们还是世界上现存的最古老的人造建筑之一。

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More than three decades later, they have become the farthest man-made objects from Earth, reaching out in the darkness to overtake earlier missions to oblivion【1】.

三十多年以后，它们成了离地球最远的人造物体，旅行者宇宙飞船都已飞出太阳系，飞向茫茫宇宙深处，不断地探索新的星球。

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Pottery objects are some of the oldest man-made artifacts.

陶器是最早的人工艺术品之一。

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As a young man he made jewelry out of thrown away objects and sold it in local restaurants.

VOA: special.2010.04.14

The number of man-made objects in Earth orbit has been growing each year.

VOA: special.2009.04.01

Man-made objects buried under shifting sands, such as pipes or water aqueducts, are particularly good at reflecting microwaves.

ECONOMIST: Archaeology: What lies beneath | The

It blasted a disused weather satellite into tiny fragments that threaten the safety of other man-made objects in space.

ECONOMIST: After a successful Olympics, China��s next spectacular

The debris is essentially the residue of hundreds of rocket launches, exploration missions and other man-made objects left circling Earth.

WSJ: Falling Satellite Debris Might Hit U.S.