A couple walk in the Retiro park in Madrid on November 17, 2020 as a thick fog falls on the Spanish capital. (Photo by Gabriel Bouys/AFP Photo)

Fog covers the African Renaissance Monument in Dakar, Senegal on February 17, 2021. (Photo by Zohra Bensemra/Reuters)

Dancers at the Windmill Theatre in London, England practice a routine wearing gas masks and hard-hats with their costumes, 1940. (Photo by Hulton Archive/Getty Images)

The Jinshanling Great Wall is seen after a rainfall on March 31, 2022 in Chengde, Hebei Province of China. (Photo by Zhou Wanping/VCG via Getty Images)

A boy searches for coins thrown by Hindu devotees in river Yamuna where water levels have reduced drastically following hot weather in New Delhi, India, Monday, May 2, 2022. The Indian capital, like many other parts of South Asia, is in the midst of a record-shattering heatwave. (Photo by Manish Swarup/AP Photo)

In this aerial image, Baker Lake is surrounded by Fall colors on October 8, 2022 near East Bolton, Quebec, Canada. (Photo by Sébastien St-Jean/AFP Photo)

People view an installation over a lake that forms part of the Enchanted Forest Winter Illuminations at Stockeld Park in Wetherby, North Yorkshire on Monday, November 14, 2022. Light effects, a captivating soundscape, and animated installations come together in the ancient woodland once a year over the Christmas period. (Photo by Danny Lawson/PA Images via Getty Images)

A hare runs on a small road as the sun rises in Frankfurt, Germany, Monday, June 12, 2023. (Photo by Michael Probst/AP Photo)