That ancient lakeshore is part of the Koobi Fora fossil site. The revelation was made by fossilised footprints in the sand in the area that have preserved the unexpected and extraordinary moment.

SONOMA COUNTY, CA — This photo captured at Doran Beach brings to mind a well-known poem, "Footprints in the Sand." In this image, however, there are no footprints, only shadows. Patch reader ...