Kafele Fairman drinks a glass of prosecco at the Exhibit B bar on Streatham High Road in south London, Britain, August 22, 2019. Fairman came to London aged 16 from Jamaica. For her Brexit comes with a different worry - the fear of racist discrimination on the back of tougher border controls. "As black people travelling, we have enough problems as it is," she said. REUTERS/Hannah McKay SEARCH "STREATHAM BREXIT" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Kafele Fairman, 54, drinks a glass of prosecco at the Exhibit B bar on Streatham High Road in south London, Britain, August 22, 2019. Fairman came to London aged 16 from Jamaica. For her Brexit comes with a different worry - the fear of racist discrimination on the back of tougher border controls. "As black people travelling, we have enough problems as it is," she said. REUTERS/Hannah McKay SEARCH "STREATHAM BREXIT" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Moto3 - British Grand Prix - Silverstone Circuit, Silverstone, Britain - August 25, 2019 Leopard Racing's Marcos Ramirez celebrates winning his race on the podium with prosecco and Lorenzo Dalla Porta who finished in third REUTERS/David Klein

Tennis - Wimbledon - All England Lawn Tennis and Croquet Club, London, Britain - July 5, 2018. A spectator serves prosecco into a glass with a strawberry. REUTERS/Andrew Boyers

Britain Horse Racing - Royal Ascot - Ascot Racecourse - 17/6/16
Racegoers arrive at Ascot with a bottle of prosecco
Reuters / Toby Melville
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A sommelier pours a glass of Zonin prosecco sparkling wine at the 50th Vinitaly international wine and spirits exhibition in Verona, northern Italy, April 12, 2016. REUTERS/Stefano Rellandini

A sommelier pours a glass of Zonin prosecco sparkling wine at the 50th Vinitaly international wine and spirits exhibition in Verona, northern Italy, April 12, 2016. REUTERS/Stefano Rellandini

A dressing is poured over a dish of pear poached in Prosecco with homemade granola and Greek yoghurt during a Lex Eat brunch at an apartment in London, March 5, 2011. Secret supper clubs -- word of mouth dining clubs usually in people's homes -- have been springing up all over London in the last two years, providing adventurous foodies with the chance to eat in intimate and very personal settings. Picture taken March 5, 2011. To match Reuters Life! FOOD-DINING/SECRETSUPPERS REUTERS/Simon Newman (BRITAIN - Tags: FOOD SOCIETY)

Canadian second world war veterans David Morton, 88, of Gibsons, B.C., and nurse Betty Brown (R), 92, of Ottawa toast a drink of prosecco in Ortona December 1, 2009. A small group of Canadian second world war veterans are visiting former battle sites to mark the 65th anniversary of the Italian Campaign. REUTERS/Chris Helgren (ITALY ANNIVERSARY CONFLICT MILITARY)

A bottle of Champagne (L) stands next a bottle of Prosecco in a wine shop in the Valdobbiadene valley, northern Italy, July 4, 2008. Prosecco production has grown to 150 million bottles from 5 million a year in 40 years driven by demand for exports to Germany and the United States. Now it aims to increase production to 250 million bottles, the level of champagne, the world's leading bubbly made in France. Gianluca Bisol has great expectations for the white sparkling wine his family has been making since 1542 in the Valdobbiadene and Conegliano regions north of Venice. A 22nd-generation prosecco producer, he is hoping an economic slowdown may help his fizz gain ground over pricier champagne. To match feature PROSECCO-WINE/ REUTERS/Manuel Silvestri (ITALY)

Prosecco wine bottles are seen in a cellar in the Valdobbiadene valley, northern Italy, in this file photo taken October 25, 2005. Prosecco production has grown to 150 million bottles from 5 million a year in 40 years driven by demand for exports to Germany and the United States. Now it aims to increase production to 250 million bottles, the level of champagne, the world's leading bubbly made in France. Gianluca Bisol has great expectations for the white sparkling wine his family has been making since 1542 in the Valdobbiadene and Conegliano regions north of Venice. A 22nd-generation prosecco producer, he is hoping an economic slowdown may help his fizz gain ground over pricier champagne. To match feature PROSECCO-WINE/ REUTERS/Manuel Silvestri (ITALY)

Grapes used to make prosecco wine stand to dry in a cellar in the Valdobbiadene valley, northern Italy, in this file photo taken October 25, 2005. Prosecco production has grown to 150 million bottles from 5 million a year in 40 years driven by demand for exports to Germany and the United States. Now it aims to increase production to 250 million bottles, the level of champagne, the world's leading bubbly made in France. Gianluca Bisol has great expectations for the white sparkling wine his family has been making since 1542 in the Valdobbiadene and Conegliano regions north of Venice. A 22nd-generation prosecco producer, he is hoping an economic slowdown may help his fizz gain ground over pricier champagne. To match feature PROSECCO-WINE/ REUTERS/Manuel Silvestri (ITALY)

A view of vineyards in the Valdobbiadene valley, northern Italy, in this file photo taken July 4, 2008. Prosecco production has grown to 150 million bottles from 5 million a year in 40 years driven by demand for exports to Germany and the United States. Now it aims to increase production to 250 million bottles, the level of champagne, the world's leading bubbly made in France. Gianluca Bisol has great expectations for the white sparkling wine his family has been making since 1542 in the Valdobbiadene and Conegliano regions north of Venice. A 22nd-generation prosecco producer, he is hoping an economic slowdown may help his fizz gain ground over pricier champagne. To match feature PROSECCO-WINE/ REUTERS/Manuel Silvestri (ITALY)

A man spins Prosecco wine in the Valdobbiadene valley, northern Italy, in this file photo taken July 4, 2008. Prosecco production has grown to 150 million bottles from 5 million a year in 40 years driven by demand for exports to Germany and the United States. Now it aims to increase production to 250 million bottles, the level of champagne, the world's leading bubbly made in France. Gianluca Bisol has great expectations for the white sparkling wine his family has been making since 1542 in the Valdobbiadene and Conegliano regions north of Venice. A 22nd-generation prosecco producer, he is hoping an economic slowdown may help his fizz gain ground over pricier champagne. To match feature PROSECCO-WINE/ REUTERS/Manuel Silvestri (ITALY)

A view of vineyards in the Valdobbiadene valley, northern Italy, in this file photo taken July 4, 2008. Prosecco production has grown to 150 million bottles from 5 million a year in 40 years driven by demand for exports to Germany and the United States. Now it aims to increase production to 250 million bottles, the level of champagne, the world's leading bubbly made in France. Gianluca Bisol has great expectations for the white sparkling wine his family has been making since 1542 in the Valdobbiadene and Conegliano regions north of Venice. A 22nd-generation prosecco producer, he is hoping an economic slowdown may help his fizz gain ground over pricier champagne. To match feature PROSECCO-WINE/ REUTERS/Manuel Silvestri (ITALY)

A view of vineyards in the Valdobbiadene valley, northern Italy, in this file photo taken July 4, 2008. Prosecco production has grown to 150 million bottles from 5 million a year in 40 years driven by demand for exports to Germany and the United States. Now it aims to increase production to 250 million bottles, the level of champagne, the world's leading bubbly made in France. Gianluca Bisol has great expectations for the white sparkling wine his family has been making since 1542 in the Valdobbiadene and Conegliano regions north of Venice. A 22nd-generation prosecco producer, he is hoping an economic slowdown may help his fizz gain ground over pricier champagne. To match feature PROSECCO-WINE/ REUTERS/Manuel Silvestri (ITALY)

A man drinks Prosecco wine in the Valdobbiadene valley, northern Italy, July 4, 2008. Prosecco production has grown to 150 million bottles from 5 million a year in 40 years driven by demand for exports to Germany and the United States. Now it aims to increase production to 250 million bottles, the level of champagne, the world's leading bubbly made in France. Gianluca Bisol has great expectations for the white sparkling wine his family has been making since 1542 in the Valdobbiadene and Conegliano regions north of Venice. A 22nd-generation prosecco producer, he is hoping an economic slowdown may help his fizz gain ground over pricier champagne. To match feature PROSECCO-WINE/ REUTERS/Manuel Silvestri (ITALY)

An inmate working as a waiter pours a glass of Prosecco for a penitentiary police officer at an Italian federal prison in the Tuscan town of Volterra May 16, 2008. The inmates at Fortezza Medicea prison in the picturesque Tuscan town of Volterra have swapped their slacks for shirts and bow ties for a night, cooking up a sumptuous six-course dinner for curious diners wanting to sample a taste of prison life. To match feature story ITALY-PRISON/DINING REUTERS/Chris Helgren (ITALY)

U.S. socialite Paris Hilton holds a drink after a news conference to promote the drink in Munich, September 25, 2006. REUTERS/Michaela Rehle (GERMANY)