左側から見た川を渡る水管橋・水道橋
Keywords
aqueduct,
hookah,
piping,
arched,
infrastructure,
oil,
technology,
piping,
pipeline,
plante,
metal,
maintenance,
lifeline,
risk,
sanitation,
stream,
factory,
industry,
colossal,
architecture,
construction,
restoration,
facility,
sunny,
bridge,
water,
checking,
industry,
sky,
management,
duct,
look up,
pipeline,
blue skies