People dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 16, 2023. REUTERS/Nina Riggio 

People dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 16, 2023. REUTERS/Nina Riggio TPX IMAGES OF THE DAY 

People dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 16, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

A worker stands as the dance floor is set up for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

Workers set up the dance floor for the traditional Opera Ball at the State Opera in Vienna, Austria, February 14, 2023. REUTERS/Nina Riggio 

People dance during the annual press association ball (Bundespresseball) in Berlin, Germany April 29, 2022. REUTERS/Fabrizio Bensch 

Masked guests attend a ball as part of Venice's annual carnival celebrations, in Venice, Italy, February 24, 2022. REUTERS/Manuel Silvestri 

Masked guests attend a ball as part of Venice's annual carnival celebrations, in Venice, Italy, February 24, 2022. REUTERS/Manuel Silvestri 

Masked guests attend a ball as part of Venice's annual carnival celebrations, in Venice, Italy, February 24, 2022. REUTERS/Manuel Silvestri 

A performer known as "Hadiya", performs a belly dance at the Official Salem Witches’ Halloween Ball in Salem, Massachusetts, U.S., October 30, 2021. REUTERS/Reba Saldanha REFILE - CORRECTING IDENTITY OF PERFORMER 

People spend time in the ball pit after showing their coronavirus disease (COVID-19) vaccination certificate before entering the nightclub "Concourse Dance Bar", in Philadelphia, Pennsylvania, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Hannah Beier 

People spend time in the ball pit after showing their coronavirus disease (COVID-19) vaccination certificate before entering the nightclub "Concourse Dance Bar", in Philadelphia, Pennsylvania, U.S., August 13, 2021. Picture taken August 13, 2021. REUTERS/Hannah Beier 

Participants dance during the 18th annual Viennese Ball charity event at Gostiny Dvor in Moscow, Russia May 29, 2021. Picture taken May 29, 2021. REUTERS/Evgenia Novozhenina TPX IMAGES OF THE DAY 

Participants dance during the 18th annual Viennese Ball charity event at Gostiny Dvor in Moscow, Russia May 29, 2021. Picture taken May 29, 2021. REUTERS/Evgenia Novozhenina 

Participants dance during the 18th annual Viennese Ball charity event at Gostiny Dvor in Moscow, Russia May 29, 2021. Picture taken May 29, 2021. REUTERS/Evgenia Novozhenina 

Participants dance during the 18th annual Viennese Ball charity event at Gostiny Dvor in Moscow, Russia May 29, 2021. Picture taken May 29, 2021. REUTERS/Evgenia Novozhenina 

Participants dance during the 18th annual Viennese Ball charity event at Gostiny Dvor in Moscow, Russia May 29, 2021. Picture taken May 29, 2021. REUTERS/Evgenia Novozhenina 

Central American migrants play with a ball inside the "Sacred Family" shelter as they make the perilous journey north to the United States, in Apizaco, Tlaxcala, Mexico April 16, 2021. Picture taken April 16, 2021. REUTERS/Carlos Jasso TPX IMAGES OF THE DAY 

Rebecca Zammit Lupi, a 15-year-old cancer patient, reaches out for a ball held by physiotherapist Jonathan Dimech, in her room in Rainbow Ward at Sir Anthony Mamo Oncology Centre in Mater Dei Hospital, during the coronavirus disease (COVID-19) outbreak, in Tal-Qroqq, Malta November 3, 2020. "I always admired Rebecca?s will and determination to keep going. She was such a gentle soul and a total sweetheart. She touched us all with her bravery and tenacity to fight. Even when she was in pain, she still wanted to carry out her exercises, partly because they reminded her of dancing which she loved so much," said Dimech. REUTERS/Darrin Zammit Lupi SEARCH "REBECCA LUPI" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY - NO STAND-ALONE USES 

A "Bate-bola" (slam the ball) reveler dances during the traditional carnival festivity in the suburb in Rio de Janeiro, Brazil February 22, 2020. REUTERS/Pilar Olivares 

A general view as guests dance during the traditional Opera Ball in Vienna, Austria February 20, 2020. REUTERS/Lisi Niesner 

A general view as guests dance during the traditional Opera Ball in Vienna, Austria February 20, 2020. REUTERS/Lisi Niesner 

Members of the opening committee dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria February 20, 2020. REUTERS/Lisi Niesner 

Members of the opening committee dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria February 20, 2020. REUTERS/Lisi Niesner 

People dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner 

People dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner TPX IMAGES OF THE DAY 

People dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner 

Members of the opening committee dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner 

Members of the opening committee dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner 

Members of the opening committee dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner 

Members of the opening committee dance during the opening ceremony of the traditional Opera Ball in Vienna, Austria, February 20, 2020. REUTERS/Lisi Niesner 

People dressed up in costumes dance during a Christmas masquerade ball at the Mir Castle Complex, a UNESCO World Heritage site, in the town of Mir, Belarus January 11, 2020. REUTERS/Vasily Fedosenko 

People dressed up in costumes dance during a Christmas masquerade ball at the Mir Castle Complex, a UNESCO World Heritage site, in the town of Mir, Belarus January 11, 2020. REUTERS/Vasily Fedosenko 

People dressed up in costumes dance during a Christmas masquerade ball at the Mir Castle Complex, a UNESCO World Heritage site, in the town of Mir, Belarus January 11, 2020. REUTERS/Vasily Fedosenko 

Belarusian students from cadet schools dance with a man dressed as Santa Claus after a Christmas Ball in Minsk, Belarus December 23, 2019. REUTERS/Vasily Fedosenko 

Participants dance with removed shoes after a Christmas Ball in Minsk, Belarus December 23, 2019. REUTERS/Vasily Fedosenko 

People dance during the opening for the annual press association ball (Bundespresseball) in Berlin, Germany, November 29, 2019. REUTERS/Fabrizio Bensch 

German President Frank-Walter Steinmeier and his wife Elke Budenbender dance during the opening for the annual press association ball (Bundespresseball) in Berlin, Germany, November 29, 2019. REUTERS/Fabrizio Bensch 

German President Frank-Walter Steinmeier and his wife Elke Budenbender dance during the opening for the annual press association ball (Bundespresseball) in Berlin, Germany, November 29, 2019. REUTERS/Fabrizio Bensch 

German President Frank-Walter Steinmeier and his wife Elke Budenbender dance during the opening for the annual press association ball (Bundespresseball) in Berlin, Germany, November 29, 2019. REUTERS/Fabrizio Bensch 

German President Frank-Walter Steinmeier and his wife Elke Budenbender dance during the opening for the annual press association ball (Bundespresseball) in Berlin, Germany, November 29, 2019. REUTERS/Fabrizio Bensch 

Costumed party-goers dance at the 11th annual Gecko Ball, an annual party and fundraiser with guests in costume around 2019's theme "Geckos of the Round Table" in Gulfport, Florida, U.S., August 24, 2019. Picture taken August 24, 2019. REUTERS/Brian Snyder 

Costumed party-goers dance at the 11th annual Gecko Ball, an annual party and fundraiser with guests in costume around 2019's theme "Geckos of the Round Table" in Gulfport, Florida, U.S., August 24, 2019. Picture taken August 24, 2019. REUTERS/Brian Snyder 

Costumed party-goers dance at the 11th annual Gecko Ball, an annual party and fundraiser with guests in costume around 2019's theme "Geckos of the Roundtable" in Gulfport, Florida, U.S., August 24, 2019. Picture taken August 24, 2019. REUTERS/Brian Snyder