Sunday, May 15, 2011

Further evidence that Chicago is the best city in the world

"The large stone slabs that form the windowsills and front steps of many turn-of-the-20th-century homes and apartment buildings in Chicago are made of limestone, a rock that forms from the skeletons of ocean-dwelling animals. These rocks also contain fossils."

A fossil in the Pittsfield building on Washington St. in Chicago.

Full story at the Chicago Tribune

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