A ring connected the tubeways so passengers could move from one to another.

The rings were now moving so fast that they weren't even a blur, but instead formed a ball.

These rings complete a cycle every hour and also move whenever a train enters the station.

Just as the light came on, the rings of the outer circles moved.

He took a hesitant step forward and the orange ring, glowing steadily, moved away from him.

The ring will then move outwards, away from the spine.

The ring may move over any number of markers in a row.

As the rings move slowly, the clock has been mistaken for a static display.

The rings are relatively shallow and move typically less than 1 Sv of water.

This ring moves back and forth during the year to coincide with the time of sunset.