You step onto a cracked marble floor, the echo of your shoes swallowed by a wave of low‑frequency bass that seems to vibrate the very walls. The air smells of ozone, old metal, and a faint trace of jasmine—an intentional perfume that drifts from the hidden diffusers above. The tube has been transformed into a cavernous club that stretches for a half‑mile, its vaulted ceiling lined with mirrored panels that multiply the strobe lights into a kaleidoscope of color. Each panel is an LED screen, looping visuals that blend 2017’s viral memes with abstract art—glitchy GIFs of dancing cats, pixel‑perfect sunsets, and the occasional nostalgic flash of an old iPhone lock screen.