abstract
aging
background
boreal
brown
chainsaw
circle
circular
closeup
concentric
construction
cut
deforestation
down
ecology
environment
felling
forest
green
growth
history
industry
isolated
landscape
log
logging
lumber
natural
nature
pattern
pile
pine
plant
rainforest
ring
rings
round
saw
sawing
shape
stacked
stump
texture
textured
timber
tree
trunk
wood
wooden
years