Workers prune grape vines in preparation for the upcoming season on the slopes of the Botmaskop mountain peak at the Delaire Graff Estate in Stellenbosch, South Africa, on Thursday, Aug. 18, 2016. Billionaire jeweler Laurence Graff opened the doors to the Delaire Graff Estate, a destination for wine, art and hospitality, in 2009. Photographer: Waldo Swiegers/Bloomberg via Getty Images