PROJECT O

The ritual to enter the building starts at the shore, where a pathway leads the visitor towards the middle of the water. On the way, one arrives at a floating platform and takes off the shoes. With his barefoot, his journey continues. When he arrives at the enormous ring in the lake, he discovers that the outer edge of the ring transforms into steps, and descends into the water. As the visitor enters O through a single ramp. On his left, the horizon slowly rises and disappears. His feet now feel the warmth from the floor, and his eyes sees the steam sneaking in through the in-floor openings. He continues his journey. 
Down... down... and down... Two giant walls suddenly peal away and reveal the sky...