192021 is a prroject devoted to the analyses and definitions of patterns reguarding the urban population explosion. The cities are the most consuming resources zone of the globe, they served as manufacturing place since ever, using the resources coming from agricultural zones near and far away. They’re growing and in the 21th century there’ll be 19 cities with over 20 millions people. These will be the hot spot.
Down here a map of the most populated cities of the world trough history:
