They get warmer, and then the shells begin to feel thin under your hand.

A few miles out of the city, shells began to fall around the train.

The circular shell of her prison wall began to shrink.

A few German shells began to hit six hundred yards to our left rear.

Inside, the shell of the museum is beginning to take shape.

The shell was beginning to crack, now; none too soon.

Round shot and shells began landing among the Negro soldiers.

As he moved down near the river, shells began to land all around him.

At the first dawn the guns opened and the shells began to burst among them.

This shell is beginning to break down and no one now knows the secret of its reconstruction.