North Korean defectors, now living in South Korea, prepare to release balloons carrying propaganda leaflets denouncing North Korea's late leader Kim Jong-Il at Imjingak, near the Demilitarized zone (DMZ) separating South and North Korea on December 28, 2011 in Paju, South Korea. (Photo by Chung Sung-Jun/Getty Images)

Tactics reminiscent of the early American frontier days are now being used in Vietnam. Lieutenant Commander Donald D. Sheppard, UBN, of Coronado, California, aims a flaming arrow at a bamboo hut concealing a fortified Viet Cong bunker on the banks of the Bassac River, Vietnam on December 8, 1967. (Photo by AP Photo)

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)

Sudan cheetah cub Assama inspects a camera bag in its enclosure at the Landau Zoo, in Landau, Germany, 03 September 2025. Assama, born in July as the only cub to a cheetah cat, was rejected by its mother, and is now being bottle-fed by its caretakers. (Photo by Ronald Wittek/EPA)

Getting her tongue pierced was “exciting and scary” says a teen who succumbed to pressure from her best friend in Austin, Texas, February 22, 2008. This image is featured in National Geographic's exhibition “Women of Vision: National Geographic Photographers on Assignment”, on view at the Palm Beach Photographic Centre, Jan. 22 - Mar. 22, 2015. (Photo by Kitra Cahana/National Geographic)

Model Bella Hadid presents a creation by designer Jean Paul Gaultier as part of his Haute Couture Spring/Summer 2020 collection show in Paris, France, January 22, 2020. Picture taken January 22, 2020. (Photo by Charles Platiau/Reuters)

A tourist visits an ocean park during the International Day for Biological Diversity on May 22, 2024 in Handan, Hebei Province of China. May 22 marks the 24th International Day for Biological Diversity. (Photo by Hao Qunying/VCG via Getty Images)

Models present creations from the Spring/Summer 2024 Haute Couture collection by Lebanese designer Georges Hobeika during the Paris Fashion Week, in Paris, France, 22 January 2024. The presentation of the Haute Couture collections runs from 22 to 25 January. (Photo by Christophe Petit Tesson/EPA)