Brother Jean-Jacques, one of the two mon [Getty Images]

Brother Jean-Jacques, one of the two monks who knows the secret receip of the Chartreuse liqueur, checks the level of "foudres" (big barrels) of Chartreuse in the biggest liqueurs cellar in the world on November 25, 2011 in Voiron. The liqueur is named after the Monks' Grande Chartreuse monastery, located in the Chartreuse Mountains near Grenoble, French Alps. Chartreuse gives its name to the color chartreuse. It is one of the handful of liquors that continues to age and improve in the bottle. AFP PHOTO / JEAN-PIERRE CLATOT (Photo credit should read JEAN-PIERRE CLATOT/AFP/Getty Images)

AFP JEAN-PIERRE CLATOT