The tunnel is one long spiral and drivers have very limited forward visibility.

He climbed up to the top, watched the boy before him whirl down the long spiral to the ground.

Huge segments of rock broke away and began the long spiral down to the star.

Balanced at the edge of the stairway's long spiral, Whisper watched the thing fall.

So the whole artifact, it's a long spiral with one of these at each end.

It did this either step-wise or in a very long spiral.

He reached behind him and passed the long tapering spiral of ivory.

F She was going by again, lower now and fast in her long spiral.

The journey out, the building of walls, the long spiral in.