The techniques of sparkling winemaking did not originate with the Benedictine monk Dom Pérignon, nor was the first purposely sparkling wine produced in the region of Champagne. Regardless, through centuries of refinement Champagne has become the world’s leading sparkling wine and the vinous embodiment of luxury and celebration.
"Today, merchant houses own just over 10% of Champagne’s vineyards, as the Contrôle des Structures prohibits any firm from farming more than fifteen owned or rented hectares"
Is this sentence still accurate? I'm missing something with Grower Producers owning as much as 28ha like Gimonnet.