What is the significance of vintage versus non-vintage Champagne, and how does it affect the wine's quality and aging potential?
How has the Champagne region's terroir contributed to its designation as a UNESCO World Heritage site and its influence on Champagne production?
What are the main differences between Brut, Extra Dry, and Demi-Sec Champagne in terms of sweetness and flavor?
How does the traditional method (méthode champenoise) of producing Champagne differ from other sparkling wine methods?
What are the primary grape varieties used in the production of Champagne, and how do they influence the flavor profile?