There will be cities with a roof



Unknown : Designer
Around the year 1900, Hildebrands, a German chocolate company, commissioned a set of postcards to envision life in the year 2000. This picture reveals how a city with a roof would look like in 2000.


'Postcards Show the Year 2000 (circa 1900)' - Paleofuture Blog, 2007


http://www.paleofuture.com/blog/2007/4/24/postcards-show-the-year-2000-circa-1900.html