英文關鍵字
aerial
aerila
alternative
background
blue
branik
castle
central
ecology
electric
electricity
energy
environment
environmental
europe
farm
footage
generate
generation
generator
green
industrial
industry
landscape
medieval
nature
power
propeller
renewable
rihemberk
rotate
rotation
sky
slovenia
sun
sunset
sustainable
technology
tower
turbine
white
wind
windmill