Sunrise at Rockford Common in the New Forest, UK where the heather is in bloom on July 28, 2024. (Photo by Steve Hogan/Picture Exclusive)

Fog hangs over the east of the capital on a frosty Sunday morning on January 12, 2025 in London, UK. (Photo by David Levene/The Guardian)

This is the moment fog rolls through a valley making trees disappear as if covered by giant waves in a sea. The fog was rolling in over the sub-alpine mountain range of the Jura Mountains in Switzerland, February 2023. (Photo by Rainer Awiszus-Emser/Solent News & Photo Agency)

Walkers marvel at a fog bow over Curbar Edge, Derbyshire in the last decade of October 2023. The phenomenon is similar to a rainbow, but because the water droplets that cause fog are so small, its colours are very weak. (Photo by Richard Bowring/Animal News Agency)

A regional train passes fog-covered fields in Wehrheim near Frankfurt, Germany, early Friday, October 7, 2022. (Photo by Michael Probst/AP Photo)

Icelandic horses play in their paddock at a stud farm in Wehrheim near Frankfurt, Germany, as a mist rolls in on Thursday, August 5, 2021. (Photo by Michael Probst/AP Photo)

A view of trees shrouded in fog on a late summer morning between Tureby and Slimminge on Zealand, Denmark, 10 September 2021. (Photo by Mads Claus Rasmussen/EPA/EFE)

A woman crosses the street on a foggy morning in Frankfurt, Germany, Friday, October 29, 2021. (Photo by Michael Probst/AP Photo)