A guest proposes to his companion as they arrive for the screening of “Mektoub, My Love: Intermezzo” during the 72nd annual Cannes Film Festival, in Cannes, France, 23 May 2019. The movie is presented in the Official Competition of the festival which runs from 14 to 25 May. (Photo by Julien Warnand/EPA/EFE)

A model stumbles as she presents a creation by Swiss designer Albert Kriemler as part of his Spring/Summer 2020 women's ready-to-wear collection show for fashion house Akris during the Paris Fashion Week in Paris, France, September 29, 2019. (Photo by Gonzalo Fuentes/Reuters)

Maya Nakanishi of Japan competes en route to winning the women's T64 long jump at the World Para Athletics Championships in Dubai on November 11, 2019. (Photo by Christopher Pike/Reuters)

Personal trainer Antonietta Orsini carries out an exercise class for her neighbours from her balcony while Italians cannot leave their homes due to the coronavirus disease (COVID-19) outbreak, in Rome, Italy, March 18, 2020. (Photo by Remo Casilli/Reuters)

A model rehearses with a fabric face mask on, designed by Zhou Li for her Autumn/Winter 2020 collection show, during China Fashion Week in Beijing, following the novel coronavirus disease (COVID-19) outbreak, China on May 3, 2020. (Photo by Tingshu Wang/Reuters)

A girl swings on a rope swing over the Volga River in Zavolzhsk, Ivanovo Region, Russia on June 9, 2020. (Photo by Vladimir Smirnov/TASS)

Richardson Fremond leaps over a wall as he runs to collect an award during a graduation ceremony for the senior class of Chambers High School at Homestead-Miami Speedway, Tuesday, June 23, 2020, in Homestead, Fla. Forty-one seniors graduated from the school and crossed the start-finish line to receive their diplomas, during the coronavirus pandemic. (Photo by Wilfredo Lee/AP Photo)

Circus performer from the Association of Circus Proprietors on Whitehall, London, Britain, 07 July 2020. The association handed a petition to Downing Street to ask British Prime Minister Boris Johnson to allow circuses to reopen. (Photo by Will Oliver/EPA/EFE)