He admired the way the light from outside made rainbow circles at the edges of her hair.

Abdel jumped from the cab, picked the youngster up and swung her around in a dizzying rainbow circle.

A rainbow circle of light whirled around the base of each leg.

The rainbow circles beneath the dome shifted into the blue, then violet and into the red.

In rainbow circles, and intermingling, fluctuating sweeps of colours, the sea lay like an intense opal, molten with the fire of its own hues.

The shadow of your head will be at the centre of the rainbow circle.

Its legs banged against the rainbow circle, and it wasn't a rainbow any more.