静岡県伊豆の国市 狩野川放水路
Palabras clave
spillway,
typhoon,
tunnel,
weir,
civil engineering,
divider,
infrastructure,
construction,
breakwater,
flooding,
water damage,
natural disaster,
lock,
mound,
facility,
levee,
stream,
river,
water,
rain,
bridge,
concrete,
bank,
landscape