On Greek island of Santorini, winemakers try to adapt to heat and drought

In a vineyard on the Greek island of Santorini, winemaker Yiannis Boutaris gestures ​to a dried-up ‘kouloura’ vine trained into the shape of a basket to protect the grapes from the gruelling ‌summer sun. The plant endured for 90 years but was finally killed by heat and drought.