At an exam at the Villa Arson, I offer to demonstrate a nature corner for businessmen to the students and professors responsible for evaluating me.

The prototype: an aquarium diver composed of a Plexiglass bubble on which a diving hood is attached. Assisted by two students, I slip on the diver, a mask and snorkel. From inside the bubble, I try to communicate with the audience. Then, the bubble is filled with water, and, surprise, two goldfish land in the jar.