英文關鍵字
factory
building
debris
deserted
abandoned
structure
plant
chimney
waste
pipe
concrete
danger
dust
oncology
matter
jeopardy
hazard
ground
cancer
green
fumes
fatality
exhaust
carbon
environmental
endangerment
combustion
emission
drone
dioxide
old
prohibition
ruins
outdoors
provision
death
particulate
unstable
smog
pyrite
ash
vapour
toxic
pollution
red
particle
threat
peril
risk