A man sleeps in a subway train in New York city on August 1, 2024. (Photo by Charly Triballeau/AFP Photo)

New Orleans Saints linebacker Willie Gay Jr. signs autographs for a young fan before the start of an NFL football game against the Kansas City Chiefs Monday, October 7, 2024, in Kansas City, Mo. (Photo by Ed Zurga/AP Photo)

Ireland's Philip Mulpeter, left, is kicked by Brazilian Vitor Nobrega during their welterweight mixed martial arts bout of International Pro Combat at the Estoril Casino in Estoril, near Lisbon, Portugal, Monday, January 26, 2015. Nobrega defeated Mulpeter. (Photo by Francisco Seco/AP Photo)

“In anatomy, heterochromia refers to a difference in coloration, usually of the iris (but also of hair or skin). Although infrequently seen in humans, complete heterochromia is more frequently observed in other species, where it almost always involves one blue eye”. – Wikipedia (Photo by StooMathiesen)

A red squirrel sniffs out nuts inside Christmas stockings as part of the festive celebrations and enrichment programme at Wildwood Escot Park in Ottery St Mary, Devon, United Kingdom on December 17, 2020. (Photo by Ben Birchall/PA Images via Getty Images)

Police detain a woman during a protest against Prime Minister Benjamin Netanyahu and his government's handling of the coronavirus disease (COVID-19) crisis, near Netanyahu's residence in Jerusalem on July 24, 2020. (Photo by Ammar Awad/Reuters)

A Russian soldier takes part in drills at the Kadamovskiy firing range in the Rostov region in southern Russia, Wednesday, December 22, 2021. Russian Foreign Minister Sergey Lavrov says that Russian and U.S. negotiators will sit down for talks early next year to discuss Moscow's demand for Western guarantees precluding NATO's expansion to Ukraine. (Photo by AP Photo/Stringer)

President Calvin Coolidge rides in a car during his inaugural parade in Washington, D.C., U.S. in March 1925. (Photo by Reuters/Library of Congress)