1.   The caves contained many prehistoric artifacts.

2.   King had gone to the Uptar site to examine Russian collections of prehistoric artifacts to study changes in primitive tool technologies.

3.   This castlelike structure offers a sweeping overview of Swiss civilization from prehistoric artifacts to medieval art to handicrafts, weaponry, completely furnished rooms and musical instruments.

4.   A special exhibit on prehistoric Filipino artifacts is still on show at the main gallery of the Department of Tourism.

5.   It is interesting to know that prehistoric artifacts reflecting rich Filipino culture over a thousand years ago still exist today.