On April 22nd, people around the world would celebrate Earth Day in different ways.

4月22日，世界各地的人们将以不同方式庆祝地球日。

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Is there anything on earth which cannot be doubted except death, the only certainty in this world?

这个世界上除了死亡，这一最不可辩驳的事物之外，还有什么是不能被怀疑的？

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UFO sightings have been reported throughout recorded history and in various parts of the world, raising questions about life on other planets and whether extraterrestrials have visited Earth.

在全世界各地不同时期都有ufo目击的报告，引起人们关于外星生命以及地外生命是否访问过地球的争论。

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It recommended using geometric lines of latitude and longitude to convey a three-dimensional Earth on a two-dimensional surface, and it included the co-ordinates of over 8, 000 locations in the ancient world.

ECONOMIST: There is no such thing as an objective map

America should have a large diplomatic contingent in every nation on earth and should engage in extensive government-to-government financial aid to the third world.

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His publishing pedigree on the cosmology of his legendary world, Middle-earth began with The Hobbit: or There and Back Again in 1937.

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