New Zealand Earthquake - They go for land dams

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The consultants presented a range of nine options for fixing areas of liquefaction and ground-spreading, but said in their report they had been "instructed" to focus on the treatment of perimeter areas. This was lowest-cost option with the least social disruption.

Yeah for 'instructed' consultants!  I'm not saying anything, because those NZers are sooo touchy!  But Holy Crap, what are they thinking?  They are containing the jello so it doesn't slip out of the bowl.  But jello does as jello will, and this is like containing dry sand in your fingers.