TO GO WITH AFP STORY BY LAURENT ABADIE A photo taken on September 9, 2014 shows a drone flying over vineyards of the Pape Clement castle, belonging to Bordeaux winemaker Bernard Magrez in the soutwestern French town of Pessac. Magrez is the first winemaker to have bought last February a drone equipped with a infrared camera to determine the optimal maturity of the domain's grapes and thus harvest them at different times. AFP PHOTO JEAN PIERRE MULLER. (Photo credit should read JEAN PIERRE MULLER/AFP/Getty Images)

TO GO WITH AFP STORY BY LAURENT ABADIE A photo taken on September 9, 2014 shows a drone flying over vineyards of the Pape Clement castle, belonging to Bordeaux winemaker Bernard Magrez in the soutwestern French town of Pessac. Magrez is the first winemaker to have bought last February a drone equipped with a infrared camera to determine the optimal maturity of the domain's grapes and thus harvest them at different times.  AFP PHOTO JEAN PIERRE MULLER.        (Photo credit should read JEAN PIERRE MULLER/AFP/Getty Images)