@CNN: Take a rare tour underneath and inside San Francisco’s Golden Gate Bridge, where about 200 iron workers, engineers, painters and other workers keep the famous landmark shining and safe https://t.co/9CeT2OQaYp https://t.co/9V8FPRvRYQ

@CNN: Take a rare tour underneath and inside San Francisco’s Golden Gate Bridge, where about 200 iron workers, engineers, painters and other workers keep the famous landmark shining and safe https://t.co/9CeT2OQaYp https://t.co/9V8FPRvRYQ