by Carl Walrond
New Zealand is surrounded by sea water, but attempts to produce salt were unsuccessful for a long time. It was not until the 1940s that an enterprising businessman saw the potential in Lake Grassmere, in the north of the South Island. Exposed to sun and wind, this dramatic site, with its pink ponds and dazzling salt mountains, now produces about half the country’s supply.
Main image: Crystallisation ponds at Lake Grassmere
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