Culvert
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A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically embedded so as to be surrounded by soil, a culvert may be made from a pipe, reinforced concrete o
Stone culvert in Haapsalu, Estonia
Steel culvert with a small plunge pool at its outflow
Precast concrete box culvert
A culvert under the Vistula river levee and a street in Warsaw
Plunge pool
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A plunge pool is a deep depression in a stream bed at the base of a waterfall or shut-in. It is created by the erosional forces of cascading water on the rocks at the formation's base where the water
Culvert
…Stone culvert in Haapsalu, Estonia Steel culvert with a small plunge pool at its outflow Large box culvert on Rio Monterroso A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically…
Surface of the Seljalandsfoss plunge pool (Iceland)
Small pond on the West branch panoramio