英文關鍵字
agricultural
background
blue
brightcolors
cable
clouds
column
current
day
electric
electrical
electricity
energy
environment
equipment
field
grass
green
high
highresolution
horizon
industrial
industry
inthedistance
landscape
large
line
metal
nature
network
old
outdoor
pillar
pole
power
pylon
rural
sky
spring
steel
supply
tall
technology
tower
transmission
voltage
wheat
wire
wires
wooden