Solera by the producers of sherry. In a Spanish sherry "solera", the vintner may transfer about a third of each barrel a year. A solera sherry has to be at least three years old when bottled. A quite similar process is called sostrera, used to produce fortified wines in the Mediterranean regions of France. In Sicily, where Marsala wine is made, the system is called "in perpetuum". Solera vinification is used in the making of Mavrodafni ("Black Laurel"), a fortified red dessert wine made in the Northern Peloponnese in Greece. Exceptional "Mavrodafni" vintages are released every 20 or 30 years: they
Fortified wine impoverished areas. In 2005, the Seattle City Council asked the Washington State Liquor Control Board to prohibit the sale of certain alcohol products in an impoverished "Alcohol Impact Area." Among the products sought to be banned were over two dozen beers, and six fortified wines: Cisco, Gino's Premium Blend, MD 20/20, Night Train, Thunderbird, and Wild Irish Rose. The Liquor Control Board approved these restrictions on August 30, 2006. "Gwaha-ju" is a fortified rice wine made in Korea. Although rice wine is not made from grapes, it has a similar alcohol content to grape wine, and the addition of the