A biplane taking part in the Vintage Air Rally lands, in Stellenbosch, near Cape Town, South Africa December 16, 2016. (Photo by Mike Hutchings/Reuters)
A hot air balloon competition called “Grudziadzkie Zawody Balonowe” is held in Lisie Katy, central-northern Poland, 14 May 2021. The competition is held for the eighteenth time. (Photo by Tytus Zmijewski/EPA/EFE)
Hot-air balloons fly over Metropolitano park during the International Hot-Air Balloon Festival in Leon, state of Guanajuato, Mexico on November 19, 2023. (Photo by Henry Romero/Reuters)
This view shows giant hot air balloons of various shapes being lifted to begin flights from the Metropolitan Park over the city of Leon during the 2025 International Balloon Festival (FIG) in the state of Guanajuato, Mexico on November 15, 2025. (Photo by Mario Armas/AFP Photo)
An Airbus A400M military aircraft lands at the ILA Berlin Air Show in Schoenefeld, south of Berlin, Germany, June 1, 2016. The Aerospace Exhibition at Schoenefeld Airport near Berlin takes place from June 1 till 4. (Photo by Fabrizio Bensch/Reuters)
In this Wednesday, July 13, 2016, handout image provided by Solar Impulse, the Solar Impulse 2 flying over the pyramids, Egypt Cairo. The experimental solar-powered airplane has arrived in Egypt as part of its global voyage. (Photo by Jean Revillard, Rezo via the AP Photo)
Models present outfits made with air balloons during an international festival of air balloons design in Almaty, Kazakhstan, July 9, 2015. (Photo by Shamil Zhumatov/Reuters)