This little lighthouse is just offshore at Port Glasgow's Coronation Park. It has the word "SLOW" displayed on it, facing downstream - visible to vessels heading upstream. I'm not really sure what it marks though.
In 'real-life' I work for the NHS, the rest of my time largely being taken up with photography and associated topics. I enjoy trying different things with photography and would rather take a dozen crap shots than miss that one 'million dollar image'.