aging
asia
autumn
bark
beautiful
brown
change
circle
close
conservation
construction
cut
deforest
destruction
devastation
ecology
environment
eucalypt
fall
forest
green
grow
grunge
line
log
lumber
natural
nature
nobody
old
organic
outdoor
part
peel
plant
rough
saw
section
stem
strip
structure
stump
texture
timber
tree
tropical
trunk
wild
wood
yellow