Glad you enjoyed my hometown! The dome of the City Hall in San Francisco is the second largest in America, only the U.S. Capitol has a larger one so it tops all the state capitols. One nitpick: We call what you have the photos of cable cars. Trolleys are the electric powered ones, either trolley buses which are regular buses that pick up power from overhead wires or the trolley cars (also called streetcars) which run on tracks but again are powerd by overhead wires rather than a moving cable