People wearing face masks practise Tai Chi on a shopping street, after the lockdown placed to curb the coronavirus disease (COVID-19) outbreak was lifted in Shanghai, China June 1, 2022. REUTERS/Aly Song 

A woman wearing a protective face mask practices Tai Chi at a park amid the coronavirus disease (COVID-19) pandemic, in Taipei, Taiwan, July 16, 2021. REUTERS/Ann Wang 

People practice tai-chi in the early morning, at a shopping street in Shanghai, on the day of the opening session of the National People's Congress (NPC), China March 5, 2021. REUTERS/Aly Song 

Pro-democracy activist Benny Tai arrives at Lai Chi Kok Reception Centre by prison van after he remained in custody over the national security law charge, in the early morning, in Hong Kong, China March 2, 2021. REUTERS/Tyrone Siu 

Patients follow instructions while practicing Tai Chi at the Krylatskoye Ice Palace, which was converted into a temporary hospital for people suffering from the coronavirus disease (COVID-19), in Moscow, Russia, January 20, 2021. Picture taken January 20, 2021. REUTERS/Maxim Shemetov 

Patients follow instructions while practicing Tai Chi at the Krylatskoye Ice Palace, which was converted into a temporary hospital for people suffering from the coronavirus disease (COVID-19), in Moscow, Russia, January 20, 2021. Picture taken January 20, 2021. REUTERS/Maxim Shemetov TPX IMAGES OF THE DAY 

People practise Tai Chi at dawn with the Herd Groyne Lighthouse and the River Tyne in the background, in North Shields, Britain, January 15, 2021. REUTERS/Lee Smith 

People practise Tai Chi at dawn with the Herd Groyne Lighthouse and the River Tyne in the background, in North Shields, Britain, January 15, 2021. REUTERS/Lee Smith 

People practise Tai Chi at dawn with the Herd Groyne Lighthouse and the River Tyne in the background, in North Shields, Britain, January 15, 2021. REUTERS/Lee Smith 

People practise Tai Chi at dawn as a fishing boat leaves the port, with the Herd Groyne Lighthouse and the River Tyne in the background, in North Shields, Britain, January 15, 2021. REUTERS/Lee Smith 

People practise Tai Chi at dawn with the Herd Groyne Lighthouse and the River Tyne in the background, in North Shields, Britain, January 15, 2021. REUTERS/Lee Smith 

People practise Tai Chi at dawn with the Herd Groyne Lighthouse and the River Tyne in the background, in North Shields, Britain, January 15, 2021. REUTERS/Lee Smith 

Students participate in a Tai Chi class at Changchun Street Primary School of Wuhan during a government-organized media tour following the coronavirus disease (COVID-19) outbreak, in Wuhan, Hubei province, China, September 4, 2020. REUTERS/Aly Song 

Students participate in a Tai Chi class at Changchun Street Primary School of Wuhan during a government-organized media tour following the coronavirus disease (COVID-19) outbreak, in Wuhan, Hubei province, China, September 4, 2020. REUTERS/Aly Song 

Students participate in a Tai Chi class at Changchun Street Primary School of Wuhan during a government-organized media tour following the coronavirus disease (COVID-19) outbreak, in Wuhan, Hubei province, China, September 4, 2020. REUTERS/Aly Song 

A man does Tai chi in a nearly deserted park in lower Manhattan during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., April 3, 2020. REUTERS/Mike Segar 

A woman wearing a face mask follows a Tai Chi lesson displayed on a mobile phone placed on a tree at a park, as the country is hit by an outbreak of the novel coronavirus, in Shanghai, China March 11, 2020. Picture taken March 11, 2020. REUTERS/Aly Song 

A woman wearing a face mask practises Tai Chi at a park, as the country is hit by an outbreak of the novel coronavirus, in Shanghai, China March 10, 2020. Picture taken March 10, 2020. REUTERS/Aly Song 

Women practise tai-chi in the early morning at a park in the city's old district of Liwan in Guanghzou, China, September 6, 2019. REUTERS/Jorge Silva SEARCH "GUANGZHOU ANNIVERSARY" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

People perform a tai chi routine at a department store in Zhengzhou, Henan province, China, January 19, 2019. Picture taken January 19, 2019. REUTERS/Thomas Peter TO MATCH INSIGHT CHINA-ECONOMY/HENAN-CONSUMPTION 

Occupy Central pro-democracy movement founder Benny Tai walks to a prison van as he is transfered to prison from Lai Chi Kok Reception Centre, after being jailed for the 2014 pro-democracy protests Occupy Central, also known as the "Umbrella Movement," in Hong Kong ,China April 29, 2019. REUTERS/Tyrone Siu 

Kim Woodruff, a survivor of the Columbine shooting, teaches a tai chi class to fellow survivors during The Rebels Project annual survivor's gathering in Parker, Colorado, U.S., July 28, 2018. REUTERS/Leah Millis SEARCH "COLUMBINE SURVIVOR" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY - NO STAND-ALONE USES. 

Rugby League - Super League - Salford Red Devils v Hull FC - AJ Bell Stadium, Salford, Britain - April 7, 2019 A Tai Chi performance on the pitch at half time Action Images/Ed Sykes 

Bryan Goff, a polling place deputy, greets a voter as he enters precinct number 3401 located at the Taoist Tai Chi Society to cast his midterm election ballot in Tallahassee, Florida, U.S. November 6, 2018. REUTERS/Colin Hackley 

Bryan Goff, a polling place deputy, greets a voter as she enters precinct number 3401 located at the Taoist Tai Chi Society to cast her midterm election ballot in Tallahassee, Florida, U.S. November 6, 2018. REUTERS/Colin Hackley 

A group of retired foreigners attend a Tai Chi class, while staying at the Care Resort in Chiang Mai, Thailand April 6, 2018. Picture taken April 6, 2018. REUTERS/Jorge Silva 

A group of retired foreigners attend a Tai Chi class, while staying at the Care Resort in Chiang Mai, Thailand April 6, 2018. Picture taken April 6, 2018. REUTERS/Jorge Silva 

People practice Tai Chi during Chinese Lunar New Year celebrations at the Buddhist Zu Lai Temple in Cotia, Brazil February 25, 2018. REUTERS/Paulo Whitaker 

Yan Zhang practices tai-chi in Retiro park in Madrid, Spain, March 7, 2017. REUTERS/Susana Vera SEARCH "RETIRO PARK" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Haircutter Sophie Lee (C) teaches Tai Chi to seniors in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Seniors practice Tai Chi in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Seniors practice Tai Chi in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Seniors practice Tai Chi in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Seniors practice Tai Chi in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Seniors practice Tai Chi in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Seniors practice Tai Chi in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Seniors practice Tai Chi in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Seniors practice Tai Chi in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Seniors practice Tai Chi in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Haircutter Sophie Lee teaches Tai Chi to seniors in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Seniors practice Tai Chi in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Haircutter Sophie Lee (C) teaches Tai Chi to seniors in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Haircutter Sophie Lee (C) teaches Tai Chi to seniors in a cultural center in Brussels, Belgium June 28, 2017. REUTERS/Eric Vidal 

Eighty-three year-old Jim Lennon does tai-chi, lead by Lyne Breault from Mind Body Systems and part of "The Boston Parks Fitness Series," in a park in the Roslindale neighborhood of Boston, Massachusetts, U.S., June 27, 2017. REUTERS/Brian Snyder 

Eighty-three year-old Jim Lennon (C) does tai-chi, lead by Lyne Breault from Mind Body Systems and part of "The Boston Parks Fitness Series," in a park in the Roslindale neighborhood of Boston, Massachusetts, U.S., June 27, 2017. REUTERS/Brian Snyder 

Eighty-three year-old Jim Lennon (C) does tai-chi, lead by Lyne Breault from Mind Body Systems and part of "The Boston Parks Fitness Series," in a park in the Roslindale neighborhood of Boston, Massachusetts, U.S., June 27, 2017. REUTERS/Brian Snyder 

Sixty-seven year-old Graciela Calvo does tai-chi, lead by Lyne Breault from Mind Body Systems and part of "The Boston Parks Fitness Series," in a park in the Roslindale neighborhood of Boston, Massachusetts, U.S., June 27, 2017. REUTERS/Brian Snyder 

Sixty-seven year-old Graciela Calvo does tai-chi, lead by Lyne Breault from Mind Body Systems and part of "The Boston Parks Fitness Series," in a park in the Roslindale neighborhood of Boston, Massachusetts, U.S., June 27, 2017. REUTERS/Brian Snyder 

Eighty-three year-old Jim Lennon (R) does tai-chi, lead by Lyne Breault from Mind Body Systems and part of "The Boston Parks Fitness Series," in a park in the Roslindale neighborhood of Boston, Massachusetts, U.S., June 27, 2017. REUTERS/Brian Snyder 

Eighty-three year-old Jim Lennon does tai-chi, lead by Lyne Breault from Mind Body Systems and part of "The Boston Parks Fitness Series," in a park in the Roslindale neighborhood of Boston, Massachusetts, U.S., June 27, 2017. REUTERS/Brian Snyder 

Eighty-three year-old Jim Lennon (C) does tai-chi, lead by Lyne Breault from Mind Body Systems and part of "The Boston Parks Fitness Series," in a park in the Roslindale neighbourhood of Boston, Massachusetts, U.S., June 27, 2017. REUTERS/Brian Snyder 

People take part in a mass Tai Chi class as part of All United for Tai Chi, a national movement to improve health, at the Revolution Monument in Mexico City, Mexico April 23, 2017. REUTERS/Jose Luis Gonzalez TPX IMAGES OF THE DAY 

People take part in a mass Tai Chi class as part of All United for Tai Chi, a national movement to improve health, at the Revolution Monument in Mexico City, Mexico April 23, 2017. REUTERS/Jose Luis Gonzalez 

People take part in a mass Tai Chi class as part of All United for Tai Chi, a national movement to improve health, at the Revolution Monument in Mexico City, Mexico April 23, 2017. REUTERS/Jose Luis Gonzalez 

People take part in a mass Tai Chi class as part of All United for Tai Chi, a national movement to improve health, at the Revolution Monument in Mexico City, Mexico April 23, 2017. REUTERS/Jose Luis Gonzalez 

People take part in a mass Tai Chi class as part of All United for Tai Chi, a national movement to improve health, at the Revolution Monument in Mexico City, Mexico April 23, 2017. REUTERS/Jose Luis Gonzalez 

People take part in a mass Tai Chi class as part of All United for Tai Chi, a national movement to improve health, at the Revolution Monument in Mexico City, Mexico April 23, 2017. REUTERS/Jose Luis Gonzalez 

Two men practise Tai Chi hand-pushing at a park in Shanghai, China August 6, 2016. REUTERS/Aly Song 

People perform tai chi as they celebrate Lunar New Year in Chinatown in Manhattan, New York City, U.S., January 28, 2017. REUTERS/Stephen Yang 

A man practices Tai Chi in a park on a sunny winter day in Beijing, China, January 2, 2017. REUTERS/Thomas Peter