n interactive exhibit illustrating how a canal lock works

n interactive exhibit illustrating how a canal lock works. The exhibit features a cross-sectional diagram with movable parts and levers, depicting a boat passing through a lock. There are labels in French for different components, such as “Bief Aval,” “Bief Amont,” “Porte,” and “Vantelle.” Levers at the bottom control the opening and closing of the vantelles and portes. The background includes additional descriptive text in French about the lock operation.