The average population density of the world is 47 persons per square mile.

世界平均人口密度为每平方英里47人。

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The winds of change may be blowing across the Arab world, rolling from Egypt to Tripoli's Green Square.

转变之风从埃及吹到的黎波里的绿色广场，席卷了阿拉伯世界。

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A human-scaled mockup of the Angry Birds world was created in a square in Barcelona.

在巴塞罗那的一个广场上建起了一个真人版的“愤怒的小鸟”模型。

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"Shopping centers are huge in China. Fifty-thousand square meters is considered a tiny shopping center, which anywhere else in the world is considered a pretty significant center."

VOA: standard.2010.07.06

When used in construction, they help keep walls vertical, countertops horizontal and generally make the whole world square.

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The city has the greatest number of teams (about 400), all non-paid and voluntary, and the most races (more than 20 a year) in the world per square metre.

BBC: Hong Kong: The birthplace of modern dragons

Dunn was also a regular on Michael Bentine's madcap sketch show It's a Square World.

BBC: Clive Dunn, Dad's Army actor, dies aged 92