When an eruption in 1977 drained the crater of its lava lake, Nyiragongo flooded 20 square kilometers in an hour and killed around 70 people.

1977年的那次火山爆发，火山口的熔岩湖喷涌而出，在1小时之内就淹没了周围20平方公里的土地令大约70人丧生。

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By 1928, the Los Angeles Aqueduct had drained the 100-square-mile Owens Lake dry, diverted the Owens River and turned much of the Owens Valley into a dust bowl.

1928年洛杉矶渡槽抽干了100平方英里的欧文斯湖，转到欧文斯河，致使大部分欧文斯流域变成沙尘暴区。

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With a total area of 132 square kilometers, Yuncheng salt lake is one of the three largest sodium sulfate salt lakes in the world.

面积共132平方公里，运城盐湖是世界三大硫酸钠盐湖之一。

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Police teams were dressed in snow gear Friday, holding the trigger guards on their assault-style rifles while scouring eight square miles near Big Bear Lake, a popular skiing area two hours east of Los Angeles.

CNN: February 9, 2013 -- Updated 1735 GMT (0135 HKT)

But when it comes to big windows, nothing beats the glass features of a 600-square-foot multi-paned wonder in Lake Hayden, Idaho.

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Today, the Lake covers between 115 and 200 square miles.

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