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day je predstavio video seriju godišnjeg natjecanja solarni desetoboj koju je proizvela američka vlada, u kojem sveučilišni studenti iz 20 zemalja grade energetski praktične kuće s naglaskom na solarnu energiju.
day presented the annual solar decathlon competition video series produced by the us government, in which university students from 20 countries build energy efficient houses with an emphasis on solar power.
