英文關鍵字
alternative
and
blue
clean
cloud
cloudscape
conservation
day
daylight
dimensional
ecological
ecology
electrical
electricity
energy
environment
environmental
equipment
fuel
generation
generator
heat
industry
innovation
light
mirrored
natural
nature
panel
panels
pattern
people
power
protection
pure
reflection
shape
sky
solar
square
station
sun
sunlight
supply
technology
three
turbine
wind