英文關鍵字
alternative
beautiful
clouds
ecologic
ecology
electricity
energy
environment
environmental
evening
farm
field
generation
generator
global
green
industrial
industry
innovation
landscape
lapse
mill
moving
natural
nature
orange
park
power
powerful
propeller
renewable
silhouette
sky
sun
sunrise
sunset
sustainable
technology
time
tower
turbine
turbines
twilight
warming
wind
windmill