You run away. You carefully step over his grimy body. It is unnaturally small. Perhaps it is not human. As the music evolves, several tree roots seem to gyrate, their tendrils intertwining like stripes on a candycane.
Shadows begin to spring up as if they are living creatures.
Soon the only illumination comes from green and red lights emitted by bioluminescent bacteria coating the tunnel walls. It reminds you of Christmas. The pigeons are back, and everything seems so alive. The birds, even the cars. Every foot of Fifth Avenue is humming with action, a whole community of millions of organisms going through life in a kind of benign continuum.