A worker transfers harvested grapes of Pinot Noir into a crate in the vineyards at the Bollinger Champagne House's vineyard in Avenay-Val-d'Or, northeastern France, on August 18, 2026. (Photo by Jean-Christophe VERHAEGEN / AFP via Getty Images)

This photograph shows the Champagne vineyards in Avenay-Val-d'Or, northeastern France, on August 18, 2026. (Photo by Jean-Christophe VERHAEGEN / AFP via Getty Images)

Workers carry out the pressing in a traditional wine press during the grape harvest at the Bollinger Champagne House's vineyard in Mareuil-sur-Ay, northeastern France, on August 18, 2026. (Photo by Jean-Christophe VERHAEGEN / AFP via Getty Images)

This photograph shows a view of the the Champagne vineyards in Mareuil-sur-Ay northeastern France, on August 18, 2026. (Photo by Jean-Christophe VERHAEGEN / AFP via Getty Images)

A person walks past a pneumatic press in the wine press during the grape harvest at the Bollinger Champagne House's vineyard in Mareuil-sur-Ay, northeastern France, on August 18, 2026. (Photo by Jean-Christophe VERHAEGEN / AFP via Getty Images)

Charles-Armand de Belenet, managing director of Champagne Bollinger, holds grapes in the wine press during the grape harvest at the Bollinger Champagne House's vineyard in Mareuil-sur-Ay, northeastern France, on August 18, 2026. (Photo by Jean-Christophe VERHAEGEN / AFP via Getty Images)

Employees carry out the pressing in a traditional wine press during the grape harvest at the Bollinger Champagne House's vineyard in Mareuil-sur-Ay, northeastern France, on August 18, 2026. (Photo by Jean-Christophe VERHAEGEN / AFP via Getty Images)

A worker pulls crates of grapes in the wine press during the grape harvest at the Bollinger Champagne House's vineyard in Mareuil-sur-Ay, northeastern France, on August 18, 2026. (Photo by Jean-Christophe VERHAEGEN / AFP via Getty Images)