英文關鍵字
aerial
altitude
angle
autnumn
autumnn
aviation
background
brown
camping
color
colour
cone
copy
deforestation
drone
europe
european
fall
fast
flight
flying
forest
forestation
forests
green
high
hiking
low
motion
movement
muted
nature
outdoor
pine
reforestation
room
space
speed
survival
surviving
text
tree
trees