Vertical axis wind turbine generating electric energy while spinning against blue sky.
Palabras clave
vertical,
turbine,
wind,
renewable,
energy,
alternative,
wind turbine,
rotate,
blade,
environment,
blue,
spin,
sky,
real,
research,
resource,
save,
supply,
production,
sustainable,
technology,
warming,
silhouette,
power,
windmill,
clean,
climate,
closeup,
conservation,
efficiency,
electricity,
generate,
green,
industry,
innovation,
lighting,
metal,
natural