英文關鍵字
action
age
agricultural
antique
background
bark
closeup
coniferous
corrosion
cracks
cutting
decay
deforestation
dried
dust
effort
environment
environmentalism
evergreen
fiber
firewood
forest
format
green
growth
image
industry
lumber
manual
material
men
motion
moving
nature
outdoors
pattern
people
person
physical
pine
progressive
rotten
rugged
scan
timber
tree
trunk
view
wood
working