While the Golden Gate Bridge may be the iconic bridge of San Francisco for everyone who's seen it in movies or television or photographs, it's not actually the most important bridge in the Bay Area - after all, on the far side of it you'll find the rather rural Marin County. One of the linchpins of Bay Area transportation is far less well-known in the wider world - the Bay Bridge, which connects San Francisco to Oakland and which for some reason is not named after Emperor Norton even though he was calling for it to be built a hundred and forty years ago.
Here, one of the Bay Bridge's towers rises above the palm trees of the Embarcadero.
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