On October 31st, 2025, when the weather was in full autumn, citizens visiting the Taehwagang National Garden Chrysanthemum Garden in Nam-gu, Ulsan, are making memories among the chrysanthemums turning yellow. (Photo by Kim Dong-hwan)

Female members of the Colombian Army take part in the military parade to commemorate Colombia's Independence Day in Bogota on July 20, 2024. (Photo by Alejandro Martinez/AFP Photo)

Sarunphat Pannum, 30, poses for a picture as she celebrates Halloween in Bangkok, Thailand on October 31, 2024. (Photo by Chalinee Thirasupa/Reuters)

The work “Naught: Bondi” by Milarky is seen pre-dawn at Sculpture by The Sea on October 18, 2024 in Sydney, Australia. A striking inflatable sculpture resembling a melanoma is set to be showcased at Sculpture by the Sea 2024, running from October 18 to November 4 along the Bondi to Tamarama coastal walk. (Photo by Brook Mitchell/Getty Images)

This image is NGC 6543 known as the Cat's Eye Nebula as it appears to the Chandra X-Ray Observatory and Hubble Telescope. A planetary nebula is a phase of stellar evolution that the sun should experience several billion years from now, when it expands to become a red giant and then sheds most of its outer layers, leaving behind a hot core that contracts to form a dense white dwarf star. This image was released October 10, 2012. (Photo by J. Kastner/NASA/CXC/RIT)

An Emirati child plays with an airplane model near the venue of the Mazayin Dhafra Camel Festival, on December 20, 2012 near the city of Madinat Zayed, 150 kms west of Abu Dhabi. The festival, which attracts participants from around the Gulf region, includes a camel beauty contest, a display of UAE handcrafts and other activities aimed at promoting the country's folklore. (Photo by Karim Sahib/AFP Photo)

Participants dance and climb on an art installation as approximately 70,000 people from all over the world gather for the 30th annual Burning Man arts and music festival in the Black Rock Desert of Nevada, U.S. August 31, 2016. (Photo by Jim Urquhart/Reuters)