The wine made from this grape is so ubiquitous in the UK that there is almost no pub, supermarket or off-licence that doesn’t stock it. And I’m in the Sauvignon Blanc capital of the world.

As far as the eye can see, there are endless miles of sun-drenched grapevines and I’m looking out over them with a glass of cold, crisp Sauvignon Blanc in hand in the sunny Marlborough wine region at the northern tip of New Zealand’s South Island.

It’s an area of around 88 sq miles dedicated to wine….