Solar and wind energy
Schlüsselwörter
renewable,
resource,
solar,
alternative,
power,
electricity,
energy,
illustration,
clean,
eco,
ecology,
green,
background,
environment,
innovation,
environmental,
generator,
source,
turbine,
bio,
business,
economy,
factory,
industrial,
modern,
propeller,
sun,
technology,
wind,
concept,
nature,
station,
landscape
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