sediment in bottle, traditional wa of making champagne sparkling wine from chardonnay and pinor noir grapes in grand cru village

alcohol ambonnay basement beverage blanc bottle bottles cave caves cellar chalk champagne drink dust epernay europe ferment fermentation france french grand cru house interior landmark maille manufacturing old passage path production reims rows sparkling tasting traditional tunnel tunnels underground vineyard vintage wall wine making winecellar winemaking winery sediment chardonnay pinor noir grapes village oger