All the corridors lead to the monumental atrium in the center, which is the heart of the complex.Subtly sculpted surfaces are illuminated by daylight from the skylight above. looking up, visitors see the lines of exhaust vents, white against the sky, evoking the sense of being carried on an ocean liner flights of stairs, dexterously placed along the periphery, connect the various levels, animating the atrium even when on one is around-a vivid symbol of the human interaction so crucial to cutting-edge scientific research.