New Zealand: Martinborough's world-beating pinot noir wines

The wine-growing land around Martinborough  Soon after clattering through the five-and-a-half-mile-long Rimutaka Tunnel, my train pulls into Woodside Station in New Zealand’s Wairarapa Valley. Sue, my guide from Zest Food Tours, is easy to spot because she is wearing a name-tag and is waving as I descend the stairs.