People walk under Australia's iconic landmark Harbour Bridge in Sydney on April 3, 2019, as heavy fog blankets the city. Low visibility due to heavy fog affected traffic in the city and caused flight delays at the Sydney airport. (Photo by Saeed Khan/AFP Photo)

The sun sets behind artist Luke Jerram's “Floating Earth” at Pennington Flash on November 22, 2021 in Wigan, England. The floating Earth will hover over Pennington Flash for 10 days from November 19, as part of a celebration of Wigan and Leigh's watercourses and is the first time one of Jerram's globes has been floated on an open expanse of water. (Photo by Christopher Furlong/Getty Images)

A small flock of birds seems to be giving an escort to an airliner on final approach to Reagan Washington National Airport in Arlington, Virginia on January 12, 2022. The scene took place over Gravelly Point which is an area within the National Park Service's George Washington Memorial Parkway. (Photo by Michael S. Williamson/The Washington Post)

The Forth Bridge is engulfed by mist on one of the coldest days of the year, on December 12, 2022, in Edinburgh, Scotland. (Photo by Ken Jack/Getty Images)

The Royal Castle is seen a veil of heavy winter smog in Budapest, Hungary on January 30, 2017. (Photo by Laszlo Balogh/Reuters)

The moon rising above the Forth Rail Bridge in The Firth of Forth from North Queensferry, England on July 16, 2019. (Photo by South West News Service)

A misty start to the day in the New Forest with ponies running near Ringwood in Hampshire, UK on Saturday, October 6, 2024. (Photo by Steve Hogan/Picture Exclusive)

The moon rises on the behind the “Torchbearer” statue in Hannover, Germany, Wednesday, November 5, 2025. (Photo by Julian Stratenschulte/dpa via AP Photo)