annual
area
arts
balustrade
bochum
bridge
building
business
clouds
culture
disused
economy
engineering
factory
festival
german
germany
grass
handrail
heritage
historical
icon
industrial
industrial site
industry
jahrhunderthalle
lawn
lines
location
lost
meadow
nordrheinwestfalen
old
park
pipe
pipeline
plant
pond
pressure
production
ruhr
ruhrgebiet
steelworks
theater
tower
trucks
tube
tubing
water
west