This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Zennorquoitborlase. Zennor Quoit Zennor Cornwall UK Drawing Antiquities Historical and Monumental of the County of Cornwall Bowyer and Nichols London William Borlase photographical reproduction in the public domain PDold Zennor Quoit Megaliths diagrams William Borlase Illustrations of megaliths in the United Kingdom