Gunfire erupted at a Denver pot celebration Saturday, injuring two people and scattering a crowd of thousands who had gathered for the first 4/20 counterculture holiday since the state legalized marijuana... Photo: A woman smokes a large marijuana joint at the Vancouver Art Gallery during the annual 4/20 day, which promotes the use of marijuana, in Vancouver, British Columbia April 20, 2013. (Photo by Ben Nelms/Reuters)

Thousands of fireflies dance around Aurora Ghizzi Panizza, age 4, in the grounds of the 15th-century Castello di Torrechiara in Parma, Italy on July 16, 2022. (Photo by Alberto Ghizzi Panizza/Animal News Agency)

People clean up debris at a traditional market damaged by flood after torrential rain on August 09, 2022 in Seoul, South Korea. The heaviest rainfall in 80 years has pounded Seoul and surrounding regions, leaving seven people dead and six others missing, as well as flooding homes, vehicles, buildings and subway stations, government officials said. (Photo by Chung Sung-Jun/Getty Images)

Spot, a robot with dog-like movements, walks past a dog in Cathedral Square in Erfurt, Germany on April 20, 2021. Security service provider Ciborius, a provider of robotic security solutions with artificial intelligence, presented its artificial employee with high-resolution 360-degree all-round camera, ultra-bright LED light and a light detection system on Domplatz. (Photo by Michael Reichel/dpa)

Flower garlands, fruits and a pair of sandals of a woman who died from the coronavirus disease (COVID-19), are placed by her relatives on the spot where she was cremated, as part of a ritual at a crematorium in New Delhi, India, April 30, 2021. (Photo by Adnan Abidi/Reuters)

A black golden shaded British Shorthair cat is admired by visitors as he is carried at the Cat Extravaganza event at Olympia in London, Sunday, February 18, 2024. Loving Cats Worldwide brought its Cat Extravaganza and Rescue Awareness Event to London, where visitors could learn all about this intelligent species by observing the show's five judging rings. Plus, meet with local rescues and charities, as well as hear educational anecdotes about different cat breeds. (Photo by Kirsty Wigglesworth/AP Photo)

Spectators pose for a photo upon entry for Derby Day at Flemington Racecourse on October 30, 2021 in Melbourne, Australia. Victoria's COVID-19 restrictions have eased to allow spectators to return to Flemington racecourse for the first time since 2019. (Photo by Asanka Ratnayake/Getty Images)

Emily Whiteford, 18, of Maryland, stretches before her audition for the Radio City Rockettes at Radio City Music Hall, Wednesday, April 3, 2024 in New York. (Photo by Brittainy Newman/AP Photo)