Flowing water inside a dark pipe, creating small waves and splashes.
Schlüsselwörter
water,
pipe,
flow,
wave,
splash,
dark,
tunnel,
liquid,
flowing,
current,
stream,
plumbing,
drainage,
inside,
fluid,
motion,
ripple,
surface,
blue,
wet,
water,
resource,
underground,
grooved,
waterway,
industrial,
infrastructure,
supply,
hydratation,
irrigation,
sewage,
treatment,
sanitation,
hydroelectric,
power,
pressure,
velocity,
pipeline,
conduit
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