英文關鍵字
aerial
alternative
amaze
blade
blue
development
drone
electric
electricity
energy
environment
environmental
field
flycam
generation
generator
green
hill
industrial
industry
landscape
mill
modern
mountain
nature
power
quadrocopter
renewable
rotate
single
sky
station
supply
sustainable
technology
turbine
valley
vietnam
white
wide
wind
windmill