abstract
alpine
alps
architectural
architecture
background
black and white
concrete
consruction
corridor
dam
electricity
energy
engineering
environment
geometric
geometry
handrail
high
hydro
hydroelectric
industry
infrastructure
kurobe daiyon dam
monochrome
pattern
power plant
railing
rock
staircase
stairway
steps
stepstair
structure
tateyama kurobe
toyama
walkway
wall