This assertion was made by experts based on the radiocarbon dating of mud wasp nests near the paintings. The dating determined the painting to be somewhere between 17,500 and 17,100 years old.

One day last week I heard Mary Alice yelling for me to come quickly. Naturally I listened and went to her rescue. I saw a ...

There he began to watch a mud-dauber wasp as she buzzed purposefully to the window sill, stretched her forefeet out like a kitten, and took a sun bath. She seemed to know exactly what she was about.

The more you explore your own past, the more you find there.