英文關鍵字
agriculture
ash
background
black
blaze
bonfire
burn
bush
cleaning
danger
destruction
dirty
disaster
dry
ecological
ecology
emergency
environment
farm
fire
firewood
flame
forest
garden
gardening
grass
green
heap
heat
hot
ignite
land
leaf
leaves
natural
nature
outdoor
pile
plant
red
rural
scene
smoke
spring
texture
trash
twigs
waste
white
wood