alpine
canyon
concrete
construction
dam
discharge
electric
electricity
emergency
energy
engineering
environment
forest
fukushima
geological
gorge
gravity dam
green
hydraulic power plant
hydro
hydroelectric
hydroelectric power station
hydropower
japan
japanese
landmark
landscape
leisure
magnificent
mount
mountain
mountainside
natural
nature
northeast
plant
power
powerful
range
reservoir
resource
river
scenery
scenic
tagokura
tohoku
tourism
tree
valley
water