How Do You Keep Las Vegas’ Lights On? | How Cities Work | Spark

This episode explores the technological infrastructure that keeps the world’s cities alive with activity, from the electricity that powers computers to the clean water flowing from showers and the vast supplies of food in shops. Includes insight into the work of people who perform the unsung tasks to maintain these metropolitan centres, and the engineers responsible for making ingenious plans to ensure cities can cater for rocketing populations.

Over half of the world’s population live in cities, a figure that’s set to rise by two thirds by 2050. Each city’s infrastructure is under pressure to provide for an ever-increasing population. This series looks at the ingenious engineering that enables cities across the globe to function.

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