The tunnel had caved in at the exit end.

The tunnel caved in behind him as he was hauled and tugged along the makeshift rescue shaft.

I was spelunking in Kentucky, and the tunnel caved in.

Chino said, yeah, that's what people thought, but the tunnel only caved in once.

The tunnel had caved in not twenty yards behind them, but they had survived.

It was a miracle: the tunnel had caved in behind them where they had been only moments before.

So I shoved over a timber and the tunnel caved in.

I hesitate, then tell him the hard part: "Then her tunnel caved in.

The tunnel caved in, and the children were trapped under the snow for almost 5 minutes.

When his tunnel caved in, the wall fell down.