英文關鍵字
aerial
view
rows
solar
panels
video
quadcopter
many
eco
technology
ecology
innovation
battery
conversion
modern
electricity
station
sun
alternative
industry
drone
helicopter
generation
plant
closeup
space
field
energy
environmental
system
environment
landscape
sustainable
nature
renewable
photovoltaic
light
future
equipment
source
ecosystem
power
supply
green
outdoors
topview
energetic
sunlight
business
construction