Female soldiers march in formation in St Petersburg' s Palace Square during a rehearsal of a Victory Day military parade marking the 72 nd anniversary of the victory over Nazi Germany in the 1941-1945 Great Patriotic War, the Eastern Front of World War II, on May 5, 2017. (Photo by Peter Kovalev/TASS)

A Boeing F/A-18 takes off to perform during the Farnborough International Airshow in Farnborough, Britain, 12 July 2016. The Farnborough International Air Show runs from 11-17 July. (Photo by Hannah Mckay/EPA)

North Koreans wave as Hughes MD-500 helicopters fly past during an aerial display on Saturday, September 24, 2016, in Wonsan, North Korea. North Korea on Saturday opened an air festival featuring sky diving, demonstrations by its air force and lots of beer to promote a newly renovated and upgraded commercial airport in the coastal city of Wonsan that it hopes will draw for foreign tourists. (Photo by Wong Maye-E/AP Photo)

A model train travels past a scaled model of New York's Grand Central Station built entirely with plant parts during a media preview of the 25th annual Holiday Train Show at the New York Botanical Garden in the Bronx borough of New York City, U.S., November 14, 2016. (Photo by Mike Segar/Reuters)

This computer image provided Monday March 17, 2014 by the Press Office of socialist candidate to Paris Mayor Anne Hidalgo, shows a tunnel of abandoned railway from the 19th century, now ramshackle and overgrown, turned into a cinema. Hidalgo’s plan envisions not just a green space but in the tunnels, places for farming fish and mushrooms. (Photo by AP Photo/Anne Hidalgo's Press Office)

Models present creations by designer Tommy Hilfiger as part of his Fall/Winter 2019-2020 women's ready-to-wear collection show during the Paris Fashion Week in Paris, France, March 2, 2019. (Photo by Regis Duvignau/Reuters)

Cara Delevingne and other models react while presenting creations by late designer Karl Lagerfeld as part of his Fall/Winter 2019-2020 women's ready-to-wear collection show for fashion house Chanel at the Grand Palais during Paris Fashion Week in Paris, France on March 5, 2019. (Photo by Regis Duvignau/Reuters)

Model Bella Hadid presents a creation by designers Vivienne Westwood and Andreas Kronthaler as part of their Fall/Winter 2020/21 women's ready-to-wear collection show during Paris Fashion Week in Paris, France on February 29, 2020. (Photo by Piroschka van de Wouw/Reuters)