infrared shot of the Craig Goch dam in the Elan valley, South Wales. Within the valley are a series of reservoirs constructed over a hundred years ago by the Victorians to supply fresh water to Birmingham more than 70 miles away
infrared shot of the Craig Goch dam in the Elan valley, South Wales. Within the valley are a series of reservoirs constructed over a hundred years ago by the Victorians to supply fresh water to Birmingham more than 70 miles away