The dam on the river.
Palabras clave
dam,
river,
level,
water,
obstacle,
technique,
technology,
shipping,
cleaning,
filter,
stream,
wall,
concrete,
metal,
old,
industry,
strong,
containment,
architecture,
input,
spill,
control,
distribution,
crashing waves,
wave,
surface,
tide,
safety,
drinking