View of spiral staircase in concrete structure for fish way at Shiromaru Dam, Okutama Town, Tokyo Prefecture, Japan.
Keywords
architecture,
circle,
conservation,
construction,
curved,
depth,
design,
dynamic,
energy,
engineering,
environment,
flow,
geometric,
hydroelectric,
industrial,
industrial design,
infrastructure,
innovation,
interior,
japan,
maintenance,
man-made,
modern,
movement,
pathway,
protection,
public works,
safety,
spiral staircase,
structure,
sustainability,
symmetry,
technology,
urban,
utility,
men at work