bend
blur
blurring
branch
bulb
catenary
central
city
commuters
compose
connection
curve
dark
engine
exposure
fast
german
germany
left
light
live
motion
night
overhead
passengers
pole
pylon
rail
rails
railway
red
right
signal
speed
stack
stacked
station
steel
technology
trail
trails
train
trains
transport
transportation
turn
ulm
urban
white
wire