The crack in her eyes closed, and she smiled what Steve recognized as her most guarded smile.

Leading a study commission, he noted that the cracks opened and closed with the seasons.

In the summer, when the materials expand, the cracks closed together.

Lovely scene with the Doctor saying goodbye to Amelia while she slept and the cracks closed.

When pumping stops, the crack closes but is held open slightly by the propping agent.

But his control slipped only one notch, and the crack closed up again in seconds.

The crack of rifle fire was closing all around them.

Then with a loud snap both cracks closed fast again.