A woman wearing a four-leaf clover-like hairpin takes a selfie nearby Nanluoguxiang street in Beijing, China, September 16, 2015. Wearing antenna styled hairpins in the shape of various flowers and plants at scenic spots has become a new trend in Beijing. (Photo by Kim Kyung-Hoon/Reuters)

Participants pose for photographs as they take part in a “Hat Walk” during London Hat Week in London, Britain on April 7, 2019. (Photo by Simon Dawson/Reuters)

A skier in a festive costume attempts to cross a pool of water at the foot of a ski slope while competing in the annual Gornoluzhnik amateur event to mark the end of the ski season at the Bobrovy Log ski resort in the suburbs of the Siberian city of Krasnoyarsk, Russia, April 14, 2019. (Photo by Ilya Naymushin/Reuters)

A group of prospective police recruits, ready to be enrolled in the M23 controlled force, salute in the courtyard of a police station in Goma on February 6, 2025. More than a week after the battle for the North Kivu provincial capital, the M23 on Wednesday appointed people to public positions. Goma now has two officials for many public posts – two mayors, two governors – which locals said has created confusion. The M23 administration is still in its embryonic stages and struggling to respond to daily problems in the war-wounded city. (Photo by Michel Lunanga/AFP Photo)

Students perform traditional dance as they take part in Pongal celebrations, the Tamil harvest festival, at a college in Chennai on January 10, 2024. (Photo by R. Satish Babu/AFP Photo)

A person lights fire crackers during the celebrations of Mawlid al-Nabi, the birth anniversary of Prophet Muhammad, in Hyderabad, Pakistan, 04 September 2025. Mawlid is observed on the 12th day of Rabi al-Awwal (the third month of the Islamic calendar) in Sunni Islam and on the 17th day in Shiite Islam. (Photo by Nadeem Khawar/EPA)

Revellers attend the Victorian Picnic during the Wave and Goth festival in Leipzig, Germany, May 22, 2015. The annual festival, known in Germany as Wave-Gotik Treffen (WGT), features over 100 bands and artists in venues all over the city playing Gothic rock and other styles of the dark wave music subculture. One of the biggest of its kind, the event attracts a regular audience of up to 20,000, the organisers said. (Photo by Hannibal Hanschke/Reuters)

A man irrigating a rice paddy field using a traditional method. (Photo by Fox Photos/Getty Images). Japan, circa 1938