Kids jump on small trampolines close to the train station Alexanderplatz, amid the coronavirus disease (COVID-19) pandemic, in Berlin, Germany, January 7, 2021. REUTERS/Annegret Hilse

People take a trampoline class at the Zhongtishengshi gym in Beijing, following the coronavirus disease (COVID-19) outbreak, China September 17, 2020. REUTERS/Tingshu Wang

People take a trampoline class at the Zhongtishengshi gym in Beijing, following the coronavirus disease (COVID-19) outbreak, China September 17, 2020. REUTERS/Tingshu Wang

A trampoline landed on the side of the road after Hurricane Sally made landfall, near Grand Bay Alabama, U.S., September 16, 2020. REUTERS/Kathleen Flynn

A teenager plays on a bungee trampoline at a makeshift playground near residential buildings in Yuexi county, Liangshan Yi Autonomous Prefecture, Sichuan province, China September 10, 2020. Picture taken September 10, 2020. REUTERS/Tingshu Wang

Former Japanese Olympic Trampolinist Tetsuya Sotomura poses with one of the medals he won, amid the coronavirus disease (COVID-19) pandemic in Saitama, Japan August 7, 2020. REUTERS/Jack Tarrant

Former Japanese Olympic Trampolinist Tetsuya Sotomura works in his office amid the coronavirus disease (COVID-19) pandemic in Saitama, Japan August 7, 2020. REUTERS/Jack Tarrant

A child jumps on a trampoline as he enjoys the sunny weather at the Brighton Palace Pier, in Brighton, Britain July 31, 2020. REUTERS/Paul Childs TPX IMAGES OF THE DAY

Team GB trampoline gymnast Bryony Page during a training session at her house in Sheffield, following the outbreak of the coronavirus disease (COVID-19), Sheffield, Britain, June 13, 2020. REUTERS/Molly Darlington

Team GB trampoline gymnast Bryony Page during a training session at her house in Sheffield, following the outbreak of the coronavirus disease (COVID-19), Sheffield, Britain, June 13, 2020. REUTERS/Molly Darlington

Team GB trampoline gymnast Bryony Page during a training session at her house in Sheffield, following the outbreak of the coronavirus disease (COVID-19), Sheffield, Britain, June 13, 2020. REUTERS/Molly Darlington

Team GB trampoline gymnast Bryony Page during a training session at her house in Sheffield, following the outbreak of the coronavirus disease (COVID-19), Sheffield, Britain, June 13, 2020. REUTERS/Molly Darlington

Team GB trampoline gymnast Bryony Page during a training session at her house in Sheffield, following the outbreak of the coronavirus disease (COVID-19), Sheffield, Britain, June 13, 2020. REUTERS/Molly Darlington

Team GB trampoline gymnast Bryony Page during a training session at her house in Sheffield, following the outbreak of the coronavirus disease (COVID-19), Sheffield, Britain, June 13, 2020. REUTERS/Molly Darlington

Team GB trampoline gymnast Bryony Page during a training session in Bole Hill, following the outbreak of the coronavirus disease (COVID-19), Sheffield, Britain, June 13, 2020. REUTERS/Molly Darlington

Team GB trampoline gymnast Bryony Page during a training session at her house in Sheffield, following the outbreak of the coronavirus disease (COVID-19), Sheffield, Britain, June 13, 2020. REUTERS/Molly Darlington

Team GB trampoline gymnast Bryony Page during a training session at her house in Sheffield, following the outbreak of the coronavirus disease (COVID-19), Sheffield, Britain, June 13, 2020. REUTERS/Molly Darlington

Alyona Vinogradova jumps on a trampoline as she self-isolates with her family at their dacha, or country house, amid the outbreak of the coronavirus disease (COVID-19) in Moscow region, Russia May 19, 2020. Picture taken May 19, 2020. REUTERS/Evgenia Novozhenina

Paisley Seip, 6, plays on a trampoline as the Seip family celebrates Torrey Pines High School graduating student Phoebe Seip?s canceled prom night at home amidst the coronavirus disease (COVID-19) outbreak in San Diego, California, U.S., May 16, 2020. REUTERS/Bing Guan

Livia jumps on a trampoline as she celebrates her 10th birthday on her terrace, amid strict social distancing and lockdown measures to try and combat the spread of the coronavirus disease (COVID-19), in Rome, Italy, April 9, 2020. REUTERS/Alberto Lingria

Livia jumps on a trampoline as she celebrates her 10th birthday on her terrace, amid strict social distancing and lockdown measures to try and combat the spread of the coronavirus disease (COVID-19), in Rome, Italy, April 9, 2020. REUTERS/Alberto Lingria

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, with the Prague Castle in the background, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny TPX IMAGES OF THE DAY

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering-up residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A street artist performs on a mobile trampoline cheering residents locked down in their houses, as the spread of coronavirus disease (COVID-19) continues in Prague, Czech Republic, April 9, 2020. REUTERS/David W Cerny

A girl plays on a trampoline in her garden during the lockdown imposed by the Belgian government to slow down the coronavirus disease (COVID-19) spread, in Ruisbroek near Brussels, Belgium April 5, 2020. REUTERS/Francois Lenoir

A message is seen on a fence as Scarlett Perry (4) jumps on a trampoline as parents Emma Perry and James Fairweather look on as the spread of the coronavirus disease (COVID-19) continues, County Durham, Britain, April 2, 2020. REUTERS/Lee Smith TPX IMAGES OF THE DAY

A message is seen on a fence as Scarlett Perry (4) jumps on her trampoline as the spread of the coronavirus disease (COVID-19) continues, County Durham, Britain, April 2, 2020. REUTERS/Lee Smith

Milly aged 7 jumps on a trampoline in her garden while she takes a break from home schooling as the spread of the coronavirus disease (COVID-19) continues, in Hertford, Britain, March 27, 2020. REUTERS/Andrew Couldridge

Noah aged 9 jumps on a trampoline in his garden as he takes a break from home schooling, his sister Milly aged 7 looks on as the spread of the coronavirus disease (COVID-19) continues, in Hertford, Britain, March 26, 2020. REUTERS/Andrew Couldridge

Milly aged 7 jumps on a trampoline as she takes a break from home schooling in Hertford, as the spread of the coronavirus disease (COVID-19) continues, Hertford, Britain, March 24, 2020. REUTERS/Andrew Couldridge

Ten-year-old Damien Symonds does a flip while playing with eight-year-old sister Chelsea Symonds on a trampoline by their family's home in the drought-affected town of Murrurundi, New South Wales, Australia February 17, 2020. Picture taken February 17, 2020. REUTERS/Loren Elliott

Trampoline Gymnastics - FIG World Cup 2020 - Women's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Palina Shadzko of Belarus competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Women's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Sophiane Methot of Canada competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Women's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Lila Kasapoglou of Greece competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Women's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Ayano Kishi of Japan competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Women's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Rosannagh Maclennan of Canada competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Women's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Alva Lemoine of Sweden competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Women's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Aileen Roesler of Germany competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Men's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Teis Petersen of Denmark competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Men's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Lukasz Jaworski of Poland competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Men's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Blake Rutherford of Australia competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Men's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Nikita Fedorenko of Russia competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Men's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Mykyta Ivanskyi of Ukraine competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Men's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Gao Lei of China competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Men's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Robert Vilarasau of Spain competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Men's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Matthias Pfleiderer of Germany competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Women's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Romana Schuring of the Netherlands competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov

Trampoline Gymnastics - FIG World Cup 2020 - Women's Individual Qualification - National Gymnastics Arena - Baku, Azerbaijan - February 15, 2020. Jessica Pickering of Australia competes. Picture taken February 15, 2020. REUTERS/Aziz Karimov