function
building
cloud
concrete
construction
csg
csg dam
dam
emergency flood discharge
emergency use
environment
facilities
fine weather
flood control
flood exhalation
green
irrigation water
japan
kin
kin dam
kin town
kunigami gun
labyrinth
landmark
landscape
maintenance
maintenance of normal function of running water
normal
okinawa
okinawa prefecture
okukubi river
okukubiriver
reservoir
resource
river
running water
sky
specific irrigation water
summer
sunny
tourism
trapezoid
trapezoid csg dam
water
water for tap water
water source
water storage
worlds first