Mike D.M to Oakland@lemmy.worldEnglish · 1 month agoTouring the Posey Tube, a 100-year-old engineering feat connecting Oakland and Alamedaoaklandside.orgexternal-linkmessage-square0fedilinkarrow-up112arrow-down11
arrow-up111arrow-down1external-linkTouring the Posey Tube, a 100-year-old engineering feat connecting Oakland and Alamedaoaklandside.orgMike D.M to Oakland@lemmy.worldEnglish · 1 month agomessage-square0fedilink