We have seized on Coleridge's great phrase - 'Water, water, everywhere' - as inspiration for this year's National Poetry Day.
Make of it what you will: there are poems galore on the subject. We will be posting as many of them on this site as we can, together with ideas from you on how to turn water into lines. Treat the theme as a starting point, not a commandment. Whatever floats your boat.
Our bodies are half-water. And our words?
See what poets past and present have done with the stuff of life.