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Pilot project launched to stop cities flooding

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June 25, 2014 by CTV News

Prepping roads for flash flooding.
Prepping roads for flash flooding.

Five cities across Canada will see some of their asphalt torn up and replaced with porous brick and gravel this summer to help mitigate the flash flooding that frequently follows extreme rainfall.

Modern cities are ever more sheathed in concrete and pavement, sealing off the absorbent ground and leaving heavy rain with nowhere to go — except basements, subway tunnels and underground corridors.

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