A huge deposit of marine fossils found under San Pedro High School

Hidden beneath concrete at San Pedro High School, construction workers found a buried secret — thousands of marine fossils echoing Palos Verdes Peninsula’s ancient geological past.

Researchers uncovered two distinct sites on campus where new buildings were under construction: a bone bed dating back 8.7 million years in the Miocene era and a shell bed about 120,000 years old from the Pleistocene era.

Read more at the Los Angeles Times.