abstract
age
backdrop
background
circle
clearcut
closeup
crack
crop
cut
deforestation
dried
environment
environmentalism
fiber
flat
forest
forestry
grain
growth
log
logging
lumber
material
natural
nature
old
pattern
recycling
repetition
resin
ridges
ring
round
sawed
slice
structure
stump
texture
timber
time
tree
trunk
waste
weird
wood
wooden
yellow