You are standing on a narrow stone ledge, which is really nothing more

than a small section of rock jutting out from the smooth wall beside

you. It is only about a foot across at its widest, and small pebbles

fall away to the ground below you with each step you take. The sound

of what must be large waterfall is almost deafening, its echoing roar

incredibly loud in the grand expanse of this immense cavern. Peering

down in the darkness you can see a fair sized underground river.