People in Kathmandu joke that the face mask has now become part of the national dress – an indispensable accessory in an effort to protect themselves from the dust. Nepal has the worst air quality in the world, according to the Environmental Performance Index. (Photo by Pete Pattisson/The Guardian)

English actress and model Elizabeth Hurley launches Harrods beach and children's wear at the Knightsbridge store in London, England on December 6, 2006. (Photo by Daniel Deme/WENN)

Horses are spooked as the Woolsey Fire moves through the property on Cornell Road near Paramount Ranch on November 9, 2018 inAgoura Hills, California. About 75,000 homes have been evacuated in Los Angeles and Ventura counties due to two fires in the region. (Photo by Matthew Simmons/Getty Images)

A child explores the ancestry in the stars exhibit that forms part of YOU:MATTER, after the cutting-edge experience opened at the National Science and Media Museum in Bradford, UK on Friday, April 11, 2025. (Photo by Danny Lawson/PA Images via Getty Images)

Goodwood racegoers run for cover from a sudden rainstorm on Ladies Day, the third day of the horseracing festival at Goodwood Racecourse on July 31, 2025 in Chichester, England. (Photo by The Times)

A couple take photographs alongside the National Monument on Calton Hill, Edinburgh on Wednesday January 5, 2022, ahead of First Minister Nicola Sturgeon's update to the Scottish Parliament on the Covid-19 situation as the Omicron variant sweeps across the country. (Photo by Jane Barlow/PA Images via Getty Images)

The northern lights as seen from from Yell in the Shetland Islands, Scotland on January 15, 2023. The aurora borealis is caused by collisions between electrically charged particles released from the sun that enter the Earth’s atmosphere and collide with gases such as oxygen and nitrogen. (Photo by Ryan Nisbet/Capture Media Agency)

A man walks towards a wave breaking on a rock pool at North Narrabeen Beach in Sydney on April 18, 2025, as large swells hit the east coast of Australia. (Photo by David Gray/AFP Photo)