April 5, 2009 Sunday
Updated

April 5, 2009
A city 50 metres below ground
By Jermyn Chow
NO SPACE in Singapore for buildings? Try digging underground.

In the west are limestone deposits - fertile ground for urban planners to build caverns that can be used to store water and food, or even house people.

A team of 10 geologists and researchers from the Defence Science and Technology Agency (DSTA) has found limestone deposits sitting underneath a 10km stretch of land from Telok Blangah to West Coast Road, including Kent Ridge and Boon Lay. Limestone and granite, both stronger than concrete, can also be found in Changi in the east.

Read the full story in Monday's edition of The Straits Times.

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