1.   American archeologists and specialists in prehistoric art subscribe to a similarly broad interpretation of art.

2.   After World War II he made frequent visits to Europe and took hundreds of photographs of prehistoric art on the walls of caves in France and Spain.

3.   Four teenagers stumbled upon one of the greatest examples of prehistoric art after they followed their dog down into the narrow entrance of a cave.

4.   So far, no direct link has been made between the prehistoric art traditions and those of the Indian tribes that inhabited the region in historic times.