Tamil Tiger rebels have sunk a Sri Lankan naval cargo ship in the eastern border of Trincomalee, hours before voting began in key provincial elections.

泰米尔猛虎组织在亭可马里大选数小时前击沉了一艘位于该省东部边缘的斯里兰卡的军用货轮。

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The ship was intentionally sunk in 1987 off Key Largo to create an artificial reef 120 feet deep.

此船于1987年有意沉没于120英尺深的拉哥海岸，以制造一个人工岛礁。

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Sunk just off Key West , an island in the Straits of Florida, in 2009, the Vandenberg is the second-largest artificial reef in the world, attracting a diverse range of marine animals and plant life.

CNN: March 7, 2013 -- Updated 1201 GMT (2001 HKT)

Homes that are built to exploit gorgeous views yet withstand severe storms and flooding require clever structural and soil engineering but also another key ingredient: elevation on pedestals or pilings sunk deep into bedrock.

FORBES: 8 Highly-Elevated Homes