Visitors arrive at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Bottles of wine are displayed on the WOW! (World Organic Wine) stand at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Bottles of wine are displayed on the WOW! (World Organic Wine) stand at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Visitors arrive at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Visitors arrive at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Visitors taste wine at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Visitors taste wine at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Waitresses display glasses at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

A person tastes wines at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

A person tastes wine at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

A person tastes wine at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Bottle of wines are displayed at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Bottle of wines are displayed at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Vistors attend the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Vistors walk past a Japanese Sake stand at the Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Entrepreneur in the beverage industry and head of Groupe Castel, Pierre Castel, 92, attends the opening day of Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Entrepreneur in the beverage industry and head of Groupe Castel, Pierre Castel, 92, attends the opening day of Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Director of Vinexpo wine fair Rodolphe Lameyse speaks to medias on the opening day of the fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)

Head of Riedel Austrian glass manufacturer, Maximilian Riedel, taste wine in his company's stand at Vinexpo wine fair in Bordeaux, southwestern France on May 13, 2019. - The 20th edition of the Vinexpo wine fair runs from May 13 to 16, 2019, gathering over 1,600 exhibitors from 29 countries. (Photo by GEORGES GOBET / AFP)