abstract
background
bark
brown
circle
closeup
construction
cut
design
detail
energy
environment
firewood
forest
forestry
fuel
heap
industrial
industry
log
logging
logs
lumber
material
natural
nature
old
pattern
pile
pine
plant
raw
ring
rough
round
rural
sky
stack
stacked
stock
storage
stump
texture
timber
tree
trunk
wall
wood
wooden
woodpile