Human: Create a brief description of a foreboding scene inside of a tunnel with water dripping from the walls. Assistant: 
All other sounds succumb to the deafening roar of the underground river, its sheer force shaking the stone walls and floor of the tunnel. A dank odor drifts in the air, which has become thick with moisture. The walls of the passage glisten slightly with the sheen of water that clings to their rocky surfaces.