Here's another vision of the future via the past, this time from a 1925 German publication. It looks 50 years into the future to the high-tech world of 1975 -- well past the coming destruction and horror of World War II. The underground transportation systems are multilayered and impressive. And be sure to note the "weather control" arrays atop the two buildings. By the way, Climate Viewer has an interactive timeline of weather control. Check it out if you want to see what this could have possibly consisted of.