Say the word ‘depth’ to a boater, and the chances are they’ll immediately think ‘locks’.
Those gates look strong enough to hold back the Rhone. Or do they…?
This is one of the oval locks on the Canal du Midi. In fact this one is two lock chambers together, shaped a bit like a dog’s bone, and the lower chamber is filled by opening the paddles on the upper chamber. Once the lower chamber is full you move forward over the cill into the second chamber, the gates are closed behind you and the lock continues to fill.
To see other takes on the prompt, visit the Weekly Photo Challenge.