NAPA VALLEY, CALIF.—Thousands of gallons of Cabernet Sauvignon age in oak barrels in the cellars of Robert Mondavi Winery in Napa Valley, Calif. This photo is part of a series that showcases the summer adventures of Tech staff members. Ray C. He—The Tech May. 8, 2016 Facebook Twitter Reddit Print NAPA VALLEY, CALIF.—Thousands of gallons of Cabernet Sauvignon age in oak barrels in the cellars of Robert Mondavi Winery in Napa Valley, Calif. This photo is part of a series that showcases the summer adventures of Tech staff members. Ray C. He—The Tech