These layers are clearly seen when, for example, a narcissus bulb is sliced through.

This layer is first seen during the bell stage.

These clean layers were seen in several parts of the world but were most prevalent over southern Africa.

Thin layers of fertile black soil are also seen in the northern part of the city.

At the base of the rock, layers can be seen dipping downward to the right.

In many sections of the cave a red layer of soil can be seen, this is called Paleosol.

When blood is drawn in a glass container and left undisturbed for about an hour, four different layers can be seen.

This layer is first seen during the bell stage, in which these inner enamel epithelium will differentiate into ameloblasts.

That layer of ash can still be seen along the Klondike Highway.

These layers can be seen clearly when cutting through the dish, which should always be served cold.