The rainforest exhibit is original to the 66-year-old Aviary, but its iconic dome has been redone with some 3,100 new panes of specially-made glass, designed to rectify a longstanding problem.

South American Tropical Rainforest and Aviary Exhibit Opens at San Francisco Zoo By Bay City News • Published July 10, 2015 • Updated on July 10, 2015 at 11:53 pm ...