But before they could enter the tunnel, she waved them back.

It ended up being a girl that had entered the tunnel.

They entered the tunnel, left the little stream behind, and went on again.

The Doctor enters the tunnel, but does not get far.

"You named the place a week before we entered the tunnel."

They enter the dark tunnel, desperate to find a way out.

After 18 months on the job, however, she had still not entered the tunnel.

Next came the hard part- waiting while everyone entered the tunnel.

The boys had not heard a sound since entering the tunnel.

I was still standing when the bus entered the tunnel.