Chateau d'Yquem is a property in the Sauternes district of Bordeaux, making what is arguably the world's most famous dessert wine.The Yquem vineyard is planted to around 75 percent Semillon and 25 percent Sauvignon Blanc. A team of around 150 expert pickers are used each vintage and make multiple passes through the vineyard to ensure that only fully botrytized fruit is harvested. Yields are very low – about 900 liters per hectare, or around one glass per vine.