Acrobats perform during a performance of the fairytale "The Shepherdess and the Chimney Sweep" by Hans Christian Andersen over Prague's rooftops, Czech Republic, August 25, 2020. REUTERS/David W Cerny

Acrobats perform during a performance of the fairytale "The Shepherdess and the Chimney Sweep" by Hans Christian Andersen over Prague's rooftops, Czech Republic, August 25, 2020. REUTERS/David W Cerny TPX IMAGES OF THE DAY

Acrobats perform during a performance of the fairytale "The Shepherdess and the Chimney Sweep" by Hans Christian Andersen over Prague's rooftops, Czech Republic, August 25, 2020. REUTERS/David W Cerny

Acrobats perform during a performance of the fairytale "The Shepherdess and the Chimney Sweep" by Hans Christian Andersen over Prague's rooftops, Czech Republic, August 25, 2020. REUTERS/David W Cerny

An acrobat performs during a performance of the fairytale "The Shepherdess and the Chimney Sweep" by Hans Christian Andersen over Prague's rooftops, Czech Republic, August 25, 2020. REUTERS/David W Cerny

An acrobat performs during a performance of the fairytale "The Shepherdess and the Chimney Sweep" by Hans Christian Andersen over Prague's rooftops, Czech Republic, August 25, 2020. REUTERS/David W Cerny

Acrobats perform during a performance of the fairytale "The Shepherdess and the Chimney Sweep" by Hans Christian Andersen over Prague's rooftops, Czech Republic, August 25, 2020. REUTERS/David W Cerny

An acrobat performs during a performance of the fairytale "The Shepherdess and the Chimney Sweep" by Hans Christian Andersen over Prague's rooftops, Czech Republic, August 25, 2020. REUTERS/David W Cerny

An acrobat performs during a performance of the fairytale "The Shepherdess and the Chimney Sweep" by Hans Christian Andersen over Prague's rooftops, Czech Republic, August 25, 2020. REUTERS/David W Cerny

An acrobat performs during a performance of the fairytale "The Shepherdess and the Chimney Sweep" by Hans Christian Andersen over Prague's rooftops, Czech Republic, August 25, 2020. REUTERS/David W Cerny

Acrobats perform at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

An acrobat performs at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

Acrobats perform at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

Acrobats perform at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

Acrobats perform at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

An acrobat performs at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

Acrobats perform at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

Acrobats perform at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

Acrobats perform at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

An acrobat performs at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

Acrobats perform at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

Acrobats perform at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

Acrobats perform at the Zippos Circus during the show called "Rebound!" on its opening night, in Brighton, Britain August 11, 2020. REUTERS/Henry Nicholls

French elite acrobatic flying team "Patrouille de France" (PAF) performs a flying display of the French national flag over the Luxor Obelisks during annual Bastille Day military ceremony on the Place de la Concorde in Paris, July 14, 2020. Ludovic Marin/Pool via REUTERS

French troops members parade as the elite acrobatic flying team "Patrouille de France" (PAF) performs a flying display of the French national flag over the Arc de Triomphe on the background during annual Bastille Day military ceremony on the Place de la Concorde in Paris, on July 14, 2020. Ludovic Marin/Pool via REUTERS

Guests watch the French elite acrobatic flying team "Patrouille de France" (PAF) performing a flying display of the French national flag over the Luxor Obelisks during annual Bastille Day military ceremony on the Place de la Concorde in Paris, France July 14, 2020. Ludovic Marin/Pool via REUTERS

French elite acrobatic flying team "Patrouille de France" (PAF) performs a flying display of the French national flag over the Arc de Triomphe during the Bastille Day military parade honouring French health workers and their dedication in the fight against the coronavirus disease (COVID-19), on Place de la Concorde in Paris, France July 14, 2020. Ludovic Marin/Pool via REUTERS

French elite acrobatic flying team "Patrouille de France" (PAF) performs a flying display of the French national flag over the Arc de Triomphe during the Bastille Day military parade honouring French health workers and their dedication in the fight against the coronavirus disease (COVID-19), on Place de la Concorde in Paris, France July 14, 2020. Ludovic Marin/Pool via REUTERS

Acrobats perform as residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny

Acrobats perform as residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny

Acrobats perform as residents dine at a 500-metre-long table spanning across the length of the medieval Charles Bridge as restrictions ease following the coronavirus disease (COVID-19) outbreak, in Prague, Czech Republic June 30, 2020. REUTERS/David W Cerny

Swiss acrobat Freddy Nock poses for a picture after performing during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock poses for a picture after performing during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock poses for a picture after performing during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock is seen after performing during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock poses for a picture after performing during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock is seen after performing during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock poses for a picture after performing during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock poses for a picture after performing during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Ramon Kathriner performs on a pole during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Ramon Kathriner performs on a pole during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Ramon Kathriner performs on a pole during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock climbes to balance on the cable of the Glacier 3000 cable car during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock climbes to balance on the cable of the Glacier 3000 cable car during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock balances blindfolded on the cable of the Glacier 3000 cable car during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse TPX IMAGES OF THE DAY

Swiss acrobat Freddy Nock balances blindfolded on the cable of the Glacier 3000 cable car during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock balances blindfolded on the cable of the Glacier 3000 cable car during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat David Maillard performs with an elastic tape under a cable of the Glacier 3000 cable car during the Airshow, marking the reopening of the facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat David Maillard performs with an elastic tape under a cable of the Glacier 3000 cable car during the Airshow, marking the reopening of the facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock balances on a bicycle on the cable of the Glacier 3000 cable car during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Ramon Kathriner performs Wheel Of The Death during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse TPX IMAGES OF THE DAY

Swiss acrobat Freddy Nock balances on a bicycle on the cable of the Glacier 3000 cable car during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock balances on a bicycle on the cable of the Glacier 3000 cable car during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock balances on a bicycle on the cable of the Glacier 3000 cable car during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Freddy Nock balances on a bicycle on the cable of the Glacier 3000 cable car during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse TPX IMAGES OF THE DAY

Swiss acrobat Ramon Kathriner performs Wheel Of The Death during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Ramon Kathriner performs Wheel Of The Death during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Ramon Kathriner performs Wheel Of The Death during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

Swiss acrobat Ramon Kathriner performs Wheel Of The Death during the Airshow, marking the reopening of facilities after the coronavirus disease (COVID-19) lockdown in Les Diablerets, Switzerland, June 23, 2020. REUTERS/Denis Balibouse

An acrobat stretches before presenting his act during a circus performance in Atayde's Circus tent, where people enjoy the show from their cars as a measure to combat the spread of the coronavirus disease (COVID-19), in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico May 30, 2020. Picture taken May 30, 2020. REUTERS/Daniel Becerril