燃やす
abstract
alternative energies
background
bark
beech wood
biomass
birch
brown
chopped
chopped wood
closeup
cut
detail
energy
environment
fire
fireplace
firewood
forest
forestry
fuel
fuel wood
heap
heat
heating home
industry
log
lumber
material
natural
nature
oak
old
outdoor
outdoors
pattern
pile
pine
raw
renewable
resource
rural
split
stack
stack of wood
stacked
stock
stone
texture