green

blue

view

sky

sunlight

sun

field

scene

nature

environment

wind

energy

electric

electricity

generation

industrial

power

supply

technology

silhouette

landscape

industry

ecology

development

horizon

clean

eco

environmental

wing

ecological

alternative

through

generator

turbine

windmill

innovation

rotation

spin

rotate

rotating

renewable

sustainability

sustainable

generate

penetrate

penetrating

pal