This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Severn Barrages map.svg map of various plans to put some sort of barrage across the River Severn including the three main plans The numbers in brackets represents peak flow generating capacity in GW where one GW represents million watts in comparison average UK demand is around GW Created from File Severnestuarybarrages work by