英文關鍵字
windmill
sri
lanka
green
energy
wind
turbine
hills
fog
mountain
landscape
clouds
farm
technology
power
countryside
nuwara
eliya
ambewela
environment
aerial
view
renewable
industry
electricity
electric
generator
from
above
mill
plant
propeller
equipment
industrial
environmental
alternative
eco
engineering
innovation
conservation
rotate
bangui
panel
station
generation
ecology
ecological
electrical
drone
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