I wondered what they'd do if they thought it could all come tumbling down in a single second.

As he did, a huddled figure came tumbling directly against him.

It was an hour in the telling, which surprised him, but all those details had come tumbling back.

The locals who saw it happen say he just came tumbling out of the sky.

They say the whole system to protect threatened species could come tumbling down.

I don't know why all this came tumbling out of left field.

As the words came tumbling out of my mouth, I realized this wasn't the truth.

A broken wave came tumbling to meet them, but its main force was spent.

Then that last week's anxiety about losing her came tumbling back over him.