. On this date in 1937, San Francisco’s Golden Gate Bridge opened to the public. Here are a few things you might not have known about the oft-photographed structure.

2. THE FIRST DESIGN WAS MUCH DIFFERENT.

3. IT HAD TO BE APPROVED BY THE WAR DEPARTMENT.

Albert "Frenchy" Gales, a construction worker, was on top of the south tower when the quake hit in June 1935. “[The tower] was so limber the tower swayed 16 feet each way,” he later said. “ There were 12 or 13 guys on top with no way to get 13. ITS OPENING WAS CELEBRATED FOR A WEEK.

20. IT’S A STAR.

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