機器
abandoned
aerial
break
brick
broken
building
bulldozer
city
collapse
concrete
construction
damage
danger
dangerous
debris
demolish
demolishing
demolition
demolition site
destroy
destruction
devastation
development
digger
dismantling
drone
equipment
excavate
excavator
from above
garbage
heap
heavy
industrial
industry
jackhammer
machinery
metal
old
pile
plant
rubble
ruin
scrap
urban
vehicle
waste
work
wreck