ROCK ART.

 

Certain prehistoric men semed to have a need to decorate stones with either hollowed out cups or elaborate ring marks on the stones. These stones can be either earth fast boulders, stones that have been moved to form parts of a monument, or small 'portable' stones.

 

The ,meaning of these marks is not known.

 

rockart-long-meg

 

RING MARKS ON LONG MEG.