Cave Paintings of Baja California

400 miles South of San Diego CA there are over 300 sites of ancient cave paintings estimated to be 5000 to 7000 years old. Most of the paintings are in hostile extreme locations. This was a 14 day trip on mule & burro with a group of about 24 people. This trip took place in 1979. The man in the sude colored shirt is Kurt Vonnegut the American writer.