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Las Vegas Rises From The Desert

Duration: 01:59

When the Hoover Dam was built it created one of the world's largest man made lakes and transformed South West America allowing Las Vegas to rise from the harsh desert.

Available since: Thu 29 Nov 2012

This clip is from

Supersized Earth Food, Fire and Water

3/3 Dallas Campbell examines what it takes to keep seven billion humans alive.

First broadcast: 05 Dec 2012

Image for Food, Fire and Water Not currently available on BBC iPlayer

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