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)

Manchester City's Phil Foden celebrates after scoring his side's sixth goal during the Champions League round of 16 second leg, soccer match between Manchester City and Schalke 04 at Etihad stadium in Manchester, England, Tuesday, March 12, 2019. (Photo by Dave Thompson/AP Photo)

A country music fan cools off in the wind on the second day of the Stagecoach country music festival in Indio, California April 26, 2014. (Photo by Mike Blake/Reuters)

Miners pulling up lazy tourists to the rim of Kawah Ijen (Ijen Volcano), East Java, Indonesia on September 21, 2017. They will earn as much as they would bring down a load of sulfur. Nomadic Explorer, Cultural Lifestyle Photographer Claudio Sieber captured striking images of miners working at Ijen volcanic range in East Java, Indonesia. The sulphur miners risk their lives daily as they climb the active volcano carrying heavy loads, which they sell to sugar refineries. (Photo by Claudio Sieber/Barcroft Images)

A snowy owl (Bubo scandiacus) raised by a falconer as part of a captive-breeding program, pictured in its enclosure in Vysocina, Czech Republic on October 22, 2025. (Photo by Slavek Ruta/ZUMA Press Wire via Alamy Live News)

A humpead wrasse, transported from Japan's southern island of Okinawa, swims with other tropical saltwater fish on display in a tank for the Sony Aquarium 2017 exhibition in Tokyo on July 31, 2017. The Sony Aquarium 2017 exhibition, featuring marine life common to the waters around Okinawa, runs until August 13. (Photo by Kazuhiro Nogi/AFP Photo)

In this February 22, 2021, file photo, climate activist Disha Ravi, 22, travels in a car as she is taken to a court in New Delhi, India. To her friends, Ravi, was most concerned about her future in a world where temperatures are rising. But her life changed last month as she became a household name in the country, dominating news coverage after police charged her with sedition, a colonial-era law which carries a sentence up to life. Her alleged crime: sharing an online document to help amplify months-long farmer protests in India on Twitter. She was released after 10 days in custody. (Photo by Dinesh Joshi/AP Photo/File)

U.S. President Donald Trump holds news conference on the coronavirus outbreak at the White House in Washington, U.S., February 26, 2020. (Photo by Carlos Barria/Reuters)