American Multiple Highway, by Renzo Picasso, 1930.
Manhattan’s main arteries are overlaid with four layers of traffic. The top layer is reserved for trains, the one beneath for express car traffic, the third one for parking space and the ground level for local traffic.
Fall Grün, plan of invasion of Czechoslovakia, 1938-1939.
Fall Grün was a pre-World War II German plan for an aggressive war against Czechoslovakia. The plan was partially carried out as regards psychological warfare and use of paramilitary actions, however planned open war didn’t take place due to French and British appeasement.