Building Substations in Atlanta

摘要

Just 3 percent of the world's population lived in cities at the beginning of the 19th century. Last year, for the first time in human history, more people lived in cities than in rural areas arid by 2020, it's estimated that 60 percent of the population will reside in megacities. Large cities are the growth engines of their respective economies but as these cities and economies grow, so do the challenges. "Megacities," cities with populations of more than 10 million, present the biggest challenge, especially in terms of the burden growth puts on the urban infrastructure, Including reliable electricity networks needed to support a high quality of life.