San Francisco Muni Tunnels

Found this epic historical san francisco set of flicks, people rarely made it into these transit tunnels, I never got more than a hundred feet into this section. Its all buffed now, and this is the only documentation I can find. peep the rest here:

Flickr | WWFHeavyWeightChampionOfTheWorld

IMG_7643, originally uploaded by WWFHeavyWeightChampionOfTheWorld.

IMG_7586, originally uploaded by WWFHeavyWeightChampionOfTheWorld.

IMG_7685, originally uploaded by WWFHeavyWeightChampionOfTheWorld.

IMG_7636, originally uploaded by WWFHeavyWeightChampionOfTheWorld.

IMG_7621, originally uploaded by WWFHeavyWeightChampionOfTheWorld.

IMG_7572, originally uploaded by WWFHeavyWeightChampionOfTheWorld.