Hot air balloons over Bristol during the mass ascent at the Bristol International Balloon Fiesta 2023 on Friday, August 11, 2023. (Photo by Ben Birchall/PA Wire Press Association)





Colorful hot air balloons glide across the Qicai Danxia scenic area in Zhangye City, northwest China's Gansu Province on August 17, 2023. (Photo by Rex Features/Shutterstock)





People wave from a hot air balloon as it flies during a mass launch at the annual Bristol International Balloon Fiesta, in Bristol, Britain on August 11, 2023. (Photo by Toby Melville/Reuters)





A hot air balloon flies through the rain during a mass launch at the annual Bristol International Balloon Fiesta, in Bristol, Britain on August 11, 2023. (Photo by Toby Melville/Reuters)





A hot air balloon flies during a mass launch at the annual Bristol International Balloon Fiesta, in Bristol, Britain on August 11, 2023. (Photo by Toby Melville/Reuters)





Crew members prepare hot air balloons ahead of a mass launch at the annual Bristol International Balloon Fiesta, in Bristol, Britain on August 11, 2023. (Photo by Toby Melville/Reuters)





A hot air balloon flies during a mass launch at the annual Bristol International Balloon Fiesta, in Bristol, Britain on August 11, 2023. (Photo by Toby Melville/Reuters)





A hot air balloon flies during a mass launch at the annual Bristol International Balloon Fiesta, in Bristol, Britain on August 11, 2023. (Photo by Toby Melville/Reuters)





The Bristol International Balloon Fiesta is back at Ashton Court, UK. The festival, which has long been a staple in Bristol's summer calendar, opens its doors at the estate today, on August 10, 2023. (Photo by Adam Hughes/South West News Service)





Hot air balloon teams have gathered at Ashton Court, Bristol, UK this morning, August 7, 2023, for a second launch event ahead of this year's Bristol International Balloon Fiesta, which starts on Thursday, August 10. (Photo by Tom Wren/South West News Service)





Balloons launch Sunday evening, August 20, 2023, from Simard- Payne Memorial Park in Lewiston, Maine, on the last day of the Great Falls Balloon Festival. (Photo by Andree Kehn/Sun Journal via AP Photo)





A hot air balloon floats over the castle in Wernigerode at the Harz mountains, Germany, Thursday, August 10, 2023. (Photo by Matthias Schrader/AP Photo)





Hot air balloons fly over Danxia landform during the third Zhangye (China) Colorful Danxia Hot Air Balloon Festival at the Zhangye Colorful Danxia Scenic Spot on August 17, 2023 in Zhangye, Gansu Province of China. (Photo by Kong Lingsheng/VCG via Getty Images)





A hot air balloon flies during a mass launch at the annual Bristol International Balloon Fiesta, in Bristol, Britain on August 11, 2023. (Photo by Toby Melville/Reuters)





A balloonist prepares for a mass ascent on August 11, 2023 in Bristol, England. The Bristol International Balloon Fiesta, Europe's largest annual hot air balloon festival, has blossomed from its humble 1979 origins. Each year, spectators eagerly gather at Ashton Court Estate to see hundreds of balloons take to the skies, with this year's event boldly facing the unpredictable weather of a British summer. (Photo by Finnbarr Webster/Getty Images)