"Cyclic Time" is one of the human universals. It is interesting how popular these urban sun-worshiping events have become. Everyone prepares and waits patiently for long periods to watch the equinoctial sun project through the canyons to the eastern horizon.

Light and Space artist James Turrell believes light itself is the message, a Quaker light, "a straightforward, strict presentation of the sublime."

When I left, the sun rays fell on "da Vinci" at the Art Institute--the "Davincihenge":