Do you remember how exciting it was to ring the cow bell?

Brookfield Zoo, Spring 1965. I reach for the cow bell, the central spot of the Children's Zoo.

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Brookfield Zoo, Fall 1964. Although ringing the bell was a thrill, I had more fun feeding a sheep.

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Brookfield Zoo, Fall 1964. A guinea pig for your thoughts? Am I worried about going back to school on Monday?