Taken at Painshill, Surrey, UK; showing part of the workings of a waterwheel. Apparently one of the largest working waterwheels in the UK, it was restored in 1987 and is maintained by volunteers.
Shot on DLSR with an 11-16mm wide angle lens. Processed in Lightroom and Silver Efex Pro 2.
15mm | 1/25 sec | f/2.8 | ISO 200