human
Make a concise location description of a eerie scene inside a building hallway with shadows.
assistant
Shadows cast by indeterminate sources dance along the lower corners of the hall, frolicking madly as nocturnal creatures in a forest might. Lacking substance as tricks of light and dark are prone to, the strange motions could possibly be nothing but illusion, or they could be the result of a thousand unnatural beasts from a nightmare -- the truth is unclear.