英文關鍵字
architecture
building
city
close
concrete
construction
crane
crumble
crushing
cut
danger
debris
deconstruction
demolished
demolition
destroy
destruction
dismantling
dust
equipment
heavy
high
hydraulic
industry
lapse
machinery
motion
nobody
outdoors
power
reinforced
rubble
ruin
slow
smash
smoke
speeds
steel
strength
time
two
urban
wall
waste
working