This allows the artists to build upon previous layers to produce subtle changes.

"Here, I have to go through layers upon layers of politics."

"As I said, there are layers upon layers of meaning here."

The result is layers upon layers of image, giving quite different impressions when you look up close or stand back.

Generally critics agree the novel is built upon successive layers of symbolism.

On this surface, layer upon layer of glass can be built up in all different directions.

She could feel him folded inside himself, like layer upon layer of steel.

He could feel the weight of their shadows falling over him, layer upon layer.

Layer upon layer, they come to us with their personalities intact.

Why do we need layer upon layer of government?