Dhruva Aliman does a back somersault as he dismounts from a slackline on the beach at Santa Monica, California on October 19, 2014. Slackline is a balance sport where a line of webbing is adjusted at different levels of tension between two anchor points and participants (called slackers) perform tricks and stunts including somersaults. (Photo by Mark Ralston/AFP Photo)

A P-51 Mustang named “Charlotte's Chariot” from the Southern Heritage Air Foundation flies past a cloud of smoke and fire from a nearby battle reenactment during the Wings Over Houston Airshow in Houston, on Saturday, November 1, 2014. Battle reenactments are part of the yearly show held at Ellington Airport. (Photo by Kar Hlava/AP Photo/Bay Area Citizen)

Russia's Maria Stavitskaia performs during the ladies short program at the Rostelecom Cup ISU Grand Prix of Figure Skating in Moscow November 14, 2014. (Photo by Grigory Dukor/Reuters)

A model presents a creation from the Blonds Fall 2020 collection during New York Fashion Week in the Manhattan borough of New York, U.S., February 9, 2020. (Photo by Caitlin Ochs/Reuters)

A worker disinfects a mosque for coronavirus, in Peshawar, Pakistan, Thursday, April 2, 2020. The government imposed a nationwide lockdown to try to contain the outbreak of the virus. (Photo by Muhammad Sajjad/AP Photo)

Rome marks 74th Festa della Repubblica on 2 June 2020. Italy's celebrate the national day, Festa della Repubblica in 2020 with the events for the 74th edition of Republic Day reduced due to the covid-19 crisis. The Frecce Tricolori, the aerobatic demonstration team of the Italian Air Force, popular aeronautical display featuring fighter jets, fly in formation over the centre of Rome, emitting plumes of the three colours from the Italian flag. (Photo by Giuseppe Pino Fama/Pacific Press/Rex Features/Shutterstock)

A Chimpanzee is seen with funny expressions at Hanover Zoo on September 27, 2013 in Hanover, Germany. (Photo by Barcroft Media)

Breitling Wingwalker Freya Paterson, from Liverpool, UK, flies above Kuwait City's iconic Water Towers with pilots David Barrell and Martyn Carrington, on March 6, 2014. The team loop and roll up to 160 mph enduring G-forces of 4-5g. Crowds are expected to line the Kuwaiti coastline to catch a glimpse of the Wingwalking team on Saturday, March 8, 2014, to mark the opening of the first dedicated boutique in the city for the prestigious watch brand. (Photo by Katsuhiko Tokunaga/Breitling)