“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)

Visitors were able to pick their own flowers on this sunflower trail at Gloagburn Farm near Perth, in Scotland on September 13, 2021. Crawford Niven, a farmer, said he was inspired to make the trail, which is made up of nearly 200,000 plants, after seeing similar ones in America and Australia. (Photo by South West News Service)

A man crosses a mud-covered trail carrying his wife on his back at a flooded Han River park in Seoul, South Korea, August 4, 2020. (Photo by Kim Hong-Ji/Reuters)

In this photograph taken on June 28, 2015, a hiker in Hong Kong takes a picture of the city from a walking trail. The southern Chinese territory is crisscrossed by more than 180 miles of designated hiking trails. (Photo by Alex Ogle/AFP Photo)

People at a Czech Stop look at a cloud of smoke rising from the explosion in West, Texas, April 17, 2013. (Photo by Andy Bartee via Dallas Morning News/MCT)

Dallas Cowboys cheerleader performs during the game against the Detroit Lions at AT&T Stadium in Arlington, Texas on October 13, 2024. (Photo by Kevin Jairaj/USA TODAY Sports via Reuters)

Dallas Cowboys cheerleader performs during the game against the Detroit Lions at AT&T Stadium in Arlington, Texas on October 13, 2024. (Photo by Kevin Jairaj/USA TODAY Sports via Reuters)

Dallas Cowboys cheerleaders entertain the crowds during a match against Washington Football Team at AT&T Stadium on December 26, 2021 in Arlington, Texas. (Photo by Tim Heitman/USA TODAY Sports)