abstract
backdrop
background
bark
brown
circle
circular
closeup
concentric
cracked
cut
deforestation
environment
forest
forestry
growth
history
industry
log
logging
lumber
material
natural
nature
nobody
old
pattern
pine
plank
plant
ring
rough
round
saw
sawed
section
shape
slice
space
stack
stump
surface
texture
textured
timber
tree
trunk
wood
wooden
years