Интересная Инфографика по динамике развития Городов.  

В тему тенденции к урбанизации и переходу на систему Умных Инфраструктур в мегаполисах.

Quick Facts and Stats:

• Up until 1975 there were just 3 Megacities (New York, Tokyo and Mexico City). Today there are 21. The top 600 urban centers generate 60% of global GDP
• By 2025, the number of megacities is expected to reach 29
• Cisco estimates that cities that run on information can improve their energy efficiency by 30% within 20 years.
• The annual Smarter cities IT market opportunity is expected to be $34 Billion.