英文關鍵字
clean
renewable
energy
resource
alternative
production
wind
turbine
landscape
daegwallyeong
gangwon
province
south
korea
field
industry
environment
electricity
nature
windmill
power
plant
green
propeller
technology
generator
future
environmental
electric
ecology
sky
ecological
industrial
hill
eco
clouds
rotate
engineering
background
gangwondo