se·cret:
something that is kept or meant to be kept unknown or unseen by others.
rit·u·al:
a series of actions or type of behavior regularly and invariably followed by someone.

Walking by the cold, dark, and window-less building didn’t reveal or suggest its contents. Instead, it helped conceal the mystery between the decaying concrete walls. As the week came to an end this industrial experiment, which at its core was propelling the behavior throughout the night, intensified hour by hour. Also fueling the atmosphere was a pulsating rhythmic almost dystopian thunder between the concrete walls where its constant repetitiveness chained you in a quest for a sequel you never encountered.