PacificOSean_A_vintage_travel_poster_of_Mission_Bay_in_San_Dieg_27c92adc-303f-4240-9184-e1e14fe7c318.png
How many blades are on the boat's propeller?
The boat in the foreground has no propeller, and the others would be submerged; None of the boats have a visible propeller; Propeller blades are not depicted in this image