At the dead of night, the photographer – known to his Instagram followers as Dark Cyanide – heads out to look for hidden gems, like abandoned stations, provisions and tunnels. His intriguing images feature vibrant streaks, graffiti, and tight framing – and by adding individuals to some to some of shots, he is also able to depict the incredible scale of some of the tunnels. Here: Unnamed subway track in New York City. (Photo by Dark Cyanide/Caters News)

“Game of Thrones” star, actress Sophie Turner attends the “X-Men Dark Phoenix” Photocall At Cafe de l'Homme on April 26, 2019 in Paris, France. (Photo by Splash News and Pictures)

Revellers hit the booze cruise in the Croatian port city of Split on August 11, 2023. The hot new party town for Brits. Boat Party booze cruise with Split after dark. (Photo by Darren Fletcher)

Dark clouds hang over the Great Belt Bridge connecting Nyborg and Halsskov, Denmark, on June 26, 2023. (Photo by Mads Claus Rasmussen/Ritzau Scanpix via AFP Photo)

An old car passes by while dark clouds are seen due to the tropical storm Idalia in Havana, on August 28, 2023. (Photo by Yamil Lage/AFP Photo)

Angel Taylor Hill attends Angel Taylor Hill introduces the new Tease Dreamer Fragrance Collection at Victoria's Secret on March 12, 2019 in Los Angeles, California. (Photo by Neilson Barnard/Getty Images for Victoria's Secret)

Alexis Ren seen at Focus Features Los Angeles Special Screening of “Nocturnal Animals” at Hammer Museum on Friday, November 11, 2016, in Los Angeles. (Photo by Eric Charbonneau/Invision for Focus Features/AP Images)

Singer Halsey attends a basketball game between The Los Angeles Lakers Vs the Cleveland Cavaliers at the Staples Center in Los Angeles, Ca. on January 13, 2020. (Photo by London Entertainment/Splash News and Pictures)