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SF-Underground

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These amazingly complex and giant underground cables and machinery run San Francisco's famous cable cars.
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Robbiel

What a super and interesting photo BJ, thanks!

pumpkinhead

A great look inside the workings of the cable cars. Thanks, Jan.

pkin38

Interesting ....

davehenry1

Very interesting puzzle. I wouldn't want to be in this room if a cable ever snapped. Thanks for sharing.

Queenbee2b

Fantastic showing!! Thank you, I never knew! I've been on the cable cars years ago, but never stopped to think how they worked!! :)

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