機器
air pollution
atmosphere
big
brown coal
bucket wheel
chimney
climate
cloud
coal
coal mine
danger
dig
dirty
earth mover
emission
emissions
energy
environment
equipment
excavation
factory
fossil fuel
fumes
garzweiler
germany
global warming
heavy
industrial
industry
large
lignite
machinery
minerals
mining
mining industry
open pit
open pit mine
openpit
openpit mine
pit
pollution
power
power plant
power station
quarry
site
smog
smoke
surface mine