Light is usually appreciated

In James Turrell’s show “Into the Light,’’ at MASS MoCa, in North Adams, Mass.

The museum says:

“In James Turrell’s hands, light is more than simply a source of illumination: it is a discrete, physical object. His sculptures and architectural interventions elevate our experience and perception of light and space. Squares of sky seem to float, suspended, in ceilings or walls; architecture disintegrates; and brilliant geometric shapes levitate in midair.’’