I really like the optimism of the early 20th century. So often architect envisioned multiblock structures that would sit above the existing landscape to provide new spaces. A recent idea like that in Cupertino went down in flames at the voting booth but the Apple 'spaceship' campus continues apace.
Woah, the "hyperboloid" looks very much like Guangzhou Tower.<p>Google Images: <a href="http://goo.gl/Q4zf9t" rel="nofollow">http://goo.gl/Q4zf9t</a>
Even though some of these are pretty old, they look fascinating. The human imagination is really something. That skyscraper bridge would look so badass in real life!
<i>> Henry Gilbert’s design was a hybrid of Alfred Beach’s air-powered underground and Charles T Harvey’s cable-powered elevated railway. Passengers would be moved through a double row of ‘atmospheric tubes’ suspended from wrought-iron Gothic arches, held on slender Corinthian columns.</i><p>An early idea of hyperloop?
I once saw some drawings of plans for Moscow under USSR. They where just marvelous. Its a pity that I forgot to bookmark it and could not find it again.