" Thick black mud, hissing faintly as its contained marine life expired in a slow deflation of air-bladders and buoyancy sacs, lay everywhere, over the ticket booths and the stairway to the mezzanine, across the walls and door-panels. No longer the velvet mantle he remembered from his descent, it was now a fragmenting cloak of rotting organic forms, like the vestments of the grave. The once translucent threshold of the womb had vanished, its place taken by the gateway to a sewer. Kerans "

― J.G. Ballard , The Drowned World