Weir

Weir

!A weir on the [Yass River, New South Wales, Australia, directly upstream from a shared pedestrian-bicycle river crossing](//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Culvertsunderyassriverwalkwayweir.JPG/250px-Culvertsunderyassriverwalkwayweir.JPG)

Weir

!A weir on the Tikkurilankoski rapids in [Vantaa, Finland](//upload.wikimedia.org/wikipedia/commons/thumb/3/37/TikkurilankoskiinApril.jpg/250px-TikkurilankoskiinApril.jpg)

Weir

Time-lapse video of a new tilting weir being installed in the Caldicot and Wentloog Levels

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