On Saturday, November 23, at the Crowley Theater from 4:00 to 6:00, Center For Big Bend Studies archaeologist Bryon Schroeder will discuss his research into a cave down Pinto Canyon Road known as Spirit Eye.  Since 2017 Schroeder and his crew have been carefully identifying prehistoric artifacts left by the people who lived in the cave as far back as five thousand years ago.  No small amount of sleuthing offers a unique and holistic view into technologies that made prehistoric adaptation to the Chihuahuan Desert possible.  Admission is free.