⛴️🏝️⛓️

#alcatraz #the rock #prison island #SF Bay #ferry building #island tour

🌉🌫️⛴️

#san francisco #SF Bay #bay area #golden gate bridge #ferry building #alcatraz ferry

🏗️⚓️⛴️

#shipbuilding #shipyard #naval construction #maritime industry #vessel construction #ferry building #large vessel #dry dock

🏗️⛴️👷

#large ship construction #shipyard #ferry building #marine engineer #vessel assembly #maritime construction