A visitor jumps for a photograph on the world's highest and longest glass-bottomed bridge above a valley in Zhangjiajie in China's Hunan Province on August 21, 2016. The bridge, which opened to the public on a trial basis on Saturday, spans 430 meters (1,410 feet) and rises about 300 meters (984 feet) above a valley in a scenic zone, making it the world's highest and longest glass-bottomed bridge according to Chinese state media. (Photo by Fred Dufour/AFP Photo)

An employee stands on the step of The Venice Simplon-Orient-Express at Istanbul Station in Istanbul, on August 31, 2022. The Venice Simplon Orient-Express luxury train arrives in Istanbul, completing its annual voyage along a mythical route that takes it across Europe from Paris. (Photo by Yasin Akgul/AFP Photo)

Yakut artists present a performance based on the national Yakut epic “Olonkho” on the stage of the Kyrgyz Academic Opera and Ballet Theater in Bishkek, Kyrgyzstan, 24 April 2024. The State Opera and Ballet Theater of the Republic of Sakha (Yakutia) is on tour in Bishkek on April 24 and 26. (Photo by Igor Kovalenko/EPA/EFE)

Vietnamese-American singer and songwriter Thuy poses for a portrait backstage at the 2024 Coachella Valley Music and Arts Festival at Empire Polo Club on April 13, 2024 in Indio, California. (Photo by Emma McIntyre/Getty Images for Coachella)

Young man making the O.K. sign. (Photo by George Marks/Retrofile/Getty Images). Circa 1950s

“What did I know about Chechnya before last week? For someone who grew up in the 1990s the very word Chechnya meant a string of grainy images on TV showing people in battered camouflage outfits, shooting at each other amid destruction and ruin. Fear, wahhabis, Shamil Basayev, terrorism, mountains: these were the words that used to spring to my mind when someone mentioned Chechnya”. – Maxim Shemetov. Photo: Special forces officers stand guard during a government-organised event marking Chechen language day in the centre of the Chechen capital Grozny April 25, 2013. (Photo by Maxim Shemetov/Reuters)

A man holds a child after rescuing him from a kindergarten affected by a fire at a commercial building, in Ningde, Fujian province, China, September 16, 2015. According to local media, more than 260 people were evacuated due to the fire, which broke out Wednesday morning. No causalities have been reported and the cause of it is still unknown. (Photo by Reuters/China Daily)

2000 attended a welcome party at TigerTiger Manchester which was the first event in set of big club night for new students to Manchester and Salford universities in Manchester, UK on September 19, 2016. This year, university bosses have stepped up security in Manchester. (Photo by Jordan Sinclair/UK News Pictures)