The Kincade wildfire has spread to the wine country of Sonoma County in California.<br /><br />Footage showed a building at the Soda Rock Winery engulfed by flames in the early hours of Sunday morning.<br /><br />The nearby Fieldstone Winery also caught fire and footage showed strong winds fanning flames and spreading embers.<br /><br />The wines produced in Sonoma County in Alexander Valley are known for their high quality, especially Cabernet Sauvignon and form a key part of California's 40 billion dollar wine industry.<br /><br />The area is also home to the vineyard owned by film director Francis Ford Coppola.