The National Animal Health Laboratory is New Zealand’s most sophisticated building. It’s here that animal diseases are identified and has been designed so nothing can leak out, even in the event of a one-in-500-year earthquake. To make sure dangerous organisms don't hitch a ride out with staff, glasses and hearing aids must be left outside the highest security lab, and second sets are provided for inside. Strict protocols govern whether tradies can take their tools home at the end of the day.

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