What keeps this gambling city aglitter? The Las Vegas power grid is a network of six power plants fuelled by nearly every source of energy: hydro-electric, coal and natural gas. From Harley-riding linemen to the no-nonsense, tell-it-like-it-is Mayor Oscar Goodman... and from livewire helicopter workers to a quirky couple living 'off-the-grid', see how Las Vegas maintains its sparkle.
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