Source Vertical parking, This was an “elevator garage” in Chicago, 33 W. It held up to 48 cars. [2000 x 2416]
Source Massive infrastructure changes in Boston over 60 years. 1955 aerial vs current shows new highways, new bridges, new parks, a new lock and dam/ pumping station. Details and interactive links in the comments. OC [2230 x 2876]
