annual ring
background
black and white
bole
botany
brown
cambium
circle
close up
construction
cross
cross section
cut
cut down
deforestation
environment
firewood
flora
forest
forest management
fuel
grain
growth rings
heart wood
heating
hewer
industry
inside
isolated
log
lumber
lumberjack
manufacturing
material
monochrome
nature
pattern
resources
ring
rough
round
section
shoulder
surface
textured
timber
tree
trunk
weathered
wood
wooden
woods