American actress and model Karrueche Tran at the 2017 BET Awards at Microsoft Square on June 25, 2017 in Los Angeles, California. (Photo by Maury Phillips/Getty Images)

Rebels of the Revolutionary Armed Forces of Colombia (FARC) visit as they wait to have lunch in El Diamante, Colombia, Friday, September 16, 2016. FARC rebels are gathering for a congress were delegates will debate and vote on the accord reached last month with the Colombian government to end five decades of war. (Photo by Ricardo Mazalan/AP Photo)

American actress and singer Selena Gomes ditched her top as she got cosy with American record producer and songwriter Benny Blanco in Interview March 2025 issue. The couple have a joint album in the works. (Photo by Interview Magazine)

Inside Gucci and Madonna's Oscars 2025 afterparty – guest portraits on March 02, 2025 in Beverly Hills, California. Pictured: American actress Olivia Wilde wearing Chloé. (Photo by JR)

American media personality Paris Hilton looks flawless in her little black dress which she pairs with a leather jacket on Saturday, September 26, 2020. The heiress is joined by beau Carter Reum as they venture out to Nobu in Malibu for a romantic date night. (Photo by X17/SIPA Press)

American media personality Lauren Sanchez and American businessman, media proprietor and investor Jeff Bezos at the Boom at The Standard Met Gala After Party held at The Boom Boom Room, The Standard Hotel on May 6, 2024 in New York. (Photo by Yvonne Tnt/BFA.com/Rex Features/Shutterstock)

“Contrails (short for “condensation trails”) or vapour trails are artificial clouds that are the visible trails of condensed water vapour made by the exhaust of aircraft engines. As the hot exhaust gases cool in the surrounding air they may precipitate a cloud of microscopic water droplets or, if the air is cold enough, tiny ice crystals”. – Wikipedia

Photo: An airplane leaves a vapor trail as it flies in front of he moon on January 17, 2007 above Hanover, Germany. (Photo by Alexander Hassenstein/Getty Images)

Gun enthusiasts look over Smith & Wesson pistols at the NRA Annual Meetings & Exhibits on May 21, 2016 in Louisville, Kentucky. About 80,000 visitors are expected to attend the three-day event. (Photo by Scott Olson/Getty Images)