A runner competes in the Great Wall Marathon at the Huangyaguan Great Wall outside Beijing, China, May 18, 2019. (Photo by Thomas Peter/Reuters)

Children playing on Walled City rooftop in Hong Kong, 1989. The lack of formal governance in the Walled City led to challenges, but it also fostered a unique system of informal social order. (Photo by Greg Girard/The Guardian)

Amundsen-Scott South Pole Station experiences months of darkness. The sun dips below the horizon on March 21, after which follows several weeks of twilight before complete darkness results. Photo taken on June 25, 2009. (National Science Foundation/Jeremy Johnson)

A Australian green tree frog wearing a small turtle as a hat, keeping its head dry during its swim in Padang West Sumatra, Indonesia in May 2023. The Australian green tree frog grows up to 11 centimetres tall, the males being smaller that the females. They can live to the age of 25 and their colour alters between green, brown and blue depending on their mood. (Photo by Yan Hidayat/Media Drum Images)

Green Bay Packers' Johnathan Calvin rides a bike to NFL football training camp on July 27, 2017, in Green Bay, Wis. (Photo by Morry Gash/AP Photo)

Professional wrestlers Helen Charlotte Campbell and Dark Sheik (R) compete during an evening of wrestling entertainment, presented by promoter “TNT Extreme Wrestling'” in Liverpool, northern England, on September 17, 2023. The event pitted UK-based wrestlers representing 'TNT Extreme Wrestling' against US wrestlers from “Game Changer Wrestling” and featured Helen Charlotte Campbell versus Dark Sheik, which is understood to be the first singles wrestling match between binary trans women in the UK. (Photo by Oli Scarff/AFP Photo)