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The 'sun king' who built a solar city in China
Huan Ming built a vast 'solar valley' in China, dreaming of clean air and energy - but did he dream too big?
A film for 大象传媒 World Hacks by Alvaro Alvarez.
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Looking at the sun—The Compass, The Sun, Our Star
The World Service's best programmes about our sun and solar system
So I Can Breathe—So I Can Breathe
Ways to cut air pollution around the world
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