Name: How Cities Work
Uploaded: 2013
Description: This series looks at the ingenious engineering that enables cities across the globe to function.

This series looks at the ingenious engineering that enables cities across the globe to function.

Electricity powers the life support systems that keep our cities running. Lights, Trains, communications, even hospitals rely on this invisible force. Without it, our cities stop working and lives are at risk.

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Electricity powers the life support systems that keep our cities running. Without it, our cities stop working and lives are at risk.

Power Games

Food- human life can't exist without it. It's a city's most important source of energy. In New York alone, 8 million people consume 10,000 tonnes of food every day. Without new supplies, cities will run out of fresh food in a matter of days.

Food- human life can't exist without it. It's a city's most important source of energy. In New York alone, 8 million people consume 10,000 tonnes of food every day.

Food Fight

The world's cities are growing at a faster rate than ever before. An estimated 75 million people around the world move to an urban area every year. And as our metropolises become more and more crowded, architects, designers, and builders face a constant challenge.

The world's cities are growing at a faster rate than ever before. An estimated 75 million people around the world move to an urban area every year.

Concrete Jungle

The lifeblood of cities. Its transport links are its veins and arteries. If they're cut -off the city will die. Thousands of people work every day at making it possible for city dwellers to be where they need to be when they need to be there. It's an endless task demanding brain and brawn.

The lifeblood of cities. Its transport links are its veins and arteries. If they're cut -off the city will die.

Transport Tales

For centuries cities have been built near a freshwater supply. Without it, we'd be lucky to live three days. But this most basic human need can be deadly too - get the supply wrong and it can poison us, get too close and it can drown us.

For centuries cities have been built near a freshwater supply.