Prehistoric period, characterized by stone tools.

Barrier constructed from natural rocks.

Structures built from natural rocks.

Object or person that moves continuously.

a 2016 Chinese-Canadian drama film directed by Johnny Ma.

Initial stone laid for structure.

Pathway to achieving greater goals.

the oldest building in Lake County, Northern California.

White stone: naturally occurring pale mineral.

Dark-colored mineral or rock type.

Valuable, rare mineral or gem.

Key to deciphering ancient scripts.

Aggregates broken into small pieces.

Stone circles can be found in Hong Kong, as the area is rich in Neolithic and Bronze Age artifacts.