Traffic light sequence: green, yellow and red light with the sky as background.
Schlüsselwörter
traffic light,
light,
traffic,
signal,
green,
yellow,
red,
stoplight,
sequence,
semaphore,
colours,
concept,
colours,
set,
cycle,
orange,
phase,
signs,
frontal,
symbol,
traffic light,
amber,
variant,
three,
safety,
combination,
stop,
all,
phase,
sky,
period,
goes,
indication,
drive,
mobility,
icon,
isolated,
road safety,
variation,
arm,
control,
transport,
transportation,
blue,
infrastructure
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