architecture
big
blue
building
coal
coking plant
color
complex
construction
crane
cranes
culture
duisburg
engineering
factory
germany
high
historic
huge
industrial
industrial building
industrial heritage
industry
iron works
lamp
landscape
landscape park
landschaftspark
light
lighting
metal
nachtaufnahme
night
nostalgie
park
reflection
ruhr
ruhr valley
sky
steel
structure