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)

A person shelters from the rain in a flooded underpass by Lawrence Hill Roundabout, Bristol on Monday, September 23, 2024. An amber weather warning for heavy rain has come into force in parts of England, with the Met Office warning that affected areas could experience more than a month's worth of rain falling on Monday. (Photo by Ben Birchall/PA Images via Getty Images)

Jade Marvin from Starlight Express gets her skates on for a special number at The Olivier Awards 2025 at The Royal Albert Hall on April 06, 2025 in London, England. (Photo by David Levene/The Guardian)

Fire ravages vegetation during the Cerro de los Pinos wildfire on August 04, 2025 in Cáceres, Spain. Firefighters from Cáceres and INFOEX forest firefighters are battling fires, as high temperatures continue to put the Extremadura region at extreme risk of further wildfires. (Photo by Carlos Gil Andreu/Getty Images)

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

The Northern Lights glow green in a spectacular light show above a field of trees frozen solid with snow. (Photo by Jaak Sarv/Solent News & Photo Agency)

A male red deer with antlers covered in bracken, walks through undergrowth in Richmond Park in south west London, October 3, 2014. Over 600 red and fallow deer roam in the largest of London's Royal Parks, and have their numbers managed in an annual cull each November and February. (Photo by Toby Melville/Reuters)

Salt-resistant plants grow in sand made up of small fish bones on the shore of the Salton Sea before sunrise in an area where a controversial development would create a new town for nearly 40,000 people on the northwest shore of the biggest lake in California, the Salton Sea, on March 21, 2012 south of Mecca, California. (Photo by David McNew/Getty Images)