英文關鍵字
aerial
alternative
blue
boundless
clean
cloud
day
ecology
electric
electricity
energy
environment
environmental
farm
generation
generator
green
highland
hill
industrial
industry
innovation
lake
landscape
mill
nature
operate
panorama
pictorial
power
production
sky
skyline
station
sunny
technology
turbine
valley
vietnam
white
wind
windmill
work