Vehicles pass through the heavy fog and air pollution that cover Skopje valley in the early morning, in Skopje, The Former Yugoslav Republic of Macedonia, 14 December 2017. According to media reports, Skopje is considered one of the most polluted cities in the world. (Photo by Georgi Licovski/EPA/EFE)

The buildings of the banking district are seen through thousands of rain drops on a glass railing in central Frankfurt, Germany, Wednesday, January 11, 2017. (Photo by Michael Probst/AP Photo)

A hot air balloon floats over farm fields south of Washington, Ill., as the sun slips behind clouds on the autumn afternoon of Wednesday, September 24, 2014. (Photo by Ron Johnson/AP Photo/Peoria Journal Star)

Carrion crows sit on poles around a field on the outskirts of Frankfurt, Germany, early Monday, June 26, 2023. (Photo by Michael Probst/AP Photo)

Heat rising from the pavement distorts the view looking east on Pennsylvania Avenue NW toward the U.S. Capitol as a heat wave intensifies across the Eastern United States on June 18, 2024, in Washington, DC. (Photo by Jahi Chikwendiu/The Washington Post)

Tommy Liberto, known as Mr. Christmas Tree, crosses Seventh Avenue while visiting New York for the tenth year from Bel Air, Md., Wednesday, December 4, 2024. (Photo by Julia Demaree Nikhinson/AP Photo)

Students take part in the traditional Raisin Monday foam fight on St Salvator's Lower College Lawn at the University of St Andrews, UK in Fife on Monday, October 16, 2023. (Photo by Lesley Martin/PA Images/Profimedia)

The Ohio State cheerleaders celebrate after their team defeated Notre Dame 34-23 in a college football championship game in Atlanta, Georgia on January 20, 2025. (Photo by Hoss McBain/ZUMA Press Wire/Alamy Live News)