"The photographs show that neighborhoods are organisms," Mr. Merlis said, "with a constant ebb and flow of people, moving in and out."

It's a constant ebb and flow.

A constant ebb and flow of sound rose with the smoke and beat against the palace walls.

Sun-light cast thousands of miniature rainbows, twinkling like stars in the mist's constant ebb and flow.

But if you listen carefully, there is dissonance, fantastic harmonies, a constant ebb and flow.

The library and the lounges are usually quiet and uncrowded, for those who need to escape the constant ebb and flow between venues.

Sensitive as cats to the constant ebb and flow of reputation on which power rested, all three knew they had to offer their followers a scheme.

But in Nielsen's symphonies, as in those of Sibelius, the essence lies more in the constant ebb and flow.

He liked the challenge of what he did, the diversity of its demands, the constant ebb and flow of the feelings it generated.

The constant ebb and flow keeps the eye pressure stable.