Matt Novak at Paleofuture has unearthed an illustration from 1949 showing a roof constructed over New York City's skyline. He writes:
"It's amazing how popular the idea of roofing in an entire city was in the 20th century. The concept of one day controlling the weather was likely exciting because it meant absolute domination over nature and one's environment. I suspect to conquer weather was the penultimate in shaping humankind's destiny, while the ultimate was likely immortality."
See the picture and read the post here.