a long red suspension bridge
akiba dam
akiha lake
attractions
bridge
dam
dam lake
flood control
grand round
gravity dams
hamamatsushi
hokkaido
hydroelectric power generation
japan
journey
lake
lake surface
landmarks
longing
majestic
manmade lakes
mother nature
mountain
mountain range
mountainous part
national monument park
natural
ogling
panoramic
pedestrian bridge
popular spots
power
power generation
presence of mind
prospects
red bridge
red suspension bridge
ri
river
ryuzan bridge
scenery
shizuoka prefecture
spot
sunny
surface of a mountain
suspension bridge
tenry river
tenryu backokumikawa quasinational park
tenryu oku mikawa
tenryuku
tokai region
tokura
tourism
tourist attractions
travel
unexplored
upstream
vast
views
water
water cannon