Valve Tower, Talla Reservoir, Scottish Borders on a Rainy Day
Nikon D700 and 17-35mm afs f2.8 lens. Lee 0.6 ND Graduated filter and 0.9 ND filter. Also used graduated filter from Lightroom on the bottom section of the picture. 0.5 seconds at f22, ISO 125.
You can see the stonework under the water, protecting the water side slope of the dam. This is an earth-work dam with a clay core.
30 workers died during construction, most of whom were Irish Labourers. Health and safety was not as important in the late 19th Century as it is now.