英文關鍵字
agriculture
bank
blue
bright
calm
copter
corn
countryside
dense
drone
farm
farmland
field
flycam
fog
forest
forestry
green
high
highland
hill
horizon
landscape
motion
nature
peanut
quadcopter
reflect
river
round
rural
season
silhouette
sky
sun
sunlight
tranquil
tree
tremendous
upper
vast
vietnam
winding