![Stephane Rousson, chief designer of the Scubster submarine, a pedal-powered personal wet sub, is seen underwater during testing in Villefranche sur Mer, southeastern France, July 28, 2010. Rousson will attend the upcoming Stephane Rousson, chief designer of the Scubster submarine, a pedal-powered personal wet sub, is seen underwater during testing in Villefranche sur Mer, southeastern France, July 28, 2010. Rousson will attend the upcoming](https://c8.alamy.com/comp/2D1BJ7R/stephane-rousson-chief-designer-of-the-scubster-submarine-a-pedal-powered-personal-wet-sub-is-seen-during-testing-in-villefranche-sur-mer-southeastern-france-july-28-2010-rousson-will-attend-the-upcoming-international-submarine-race-in-bethesda-in-maryland-usa-on-june-2011-reuterseric-gaillard-france-tags-environment-society-transport-2D1BJ7R.jpg)
Stephane Rousson, chief designer of the Scubster submarine, a pedal-powered personal wet sub, is seen underwater during testing in Villefranche sur Mer, southeastern France, July 28, 2010. Rousson will attend the upcoming
![Stephane Rousson (bottom), chief designer of the Scubster submarine, a pedal-powered personal wet sub, is seen during testing as man on a bicycle fix to inflatable tubes looks on in Villefranche sur Mer, southeastern France, July 28, 2010. Rousson will ... Stephane Rousson (bottom), chief designer of the Scubster submarine, a pedal-powered personal wet sub, is seen during testing as man on a bicycle fix to inflatable tubes looks on in Villefranche sur Mer, southeastern France, July 28, 2010. Rousson will ...](https://c8.alamy.com/zooms/9/d529c5dc26c34acda996326866a8b1a8/2d32m2f.jpg)
Stephane Rousson (bottom), chief designer of the Scubster submarine, a pedal-powered personal wet sub, is seen during testing as man on a bicycle fix to inflatable tubes looks on in Villefranche sur Mer, southeastern France, July 28, 2010. Rousson will ...
![Stephane Rousson (bottom), chief designer of the Scubster submarine, a pedal-powered personal wet sub, is seen during testing as man on a bicycle fix to inflatable tubes looks on in Villefranche sur Stephane Rousson (bottom), chief designer of the Scubster submarine, a pedal-powered personal wet sub, is seen during testing as man on a bicycle fix to inflatable tubes looks on in Villefranche sur](https://c8.alamy.com/comp/2D24KER/stephane-rousson-bottom-chief-designer-of-the-scubster-submarine-a-pedal-powered-personal-wet-sub-is-seen-during-testing-as-man-on-a-bicycle-fix-to-inflatable-tubes-looks-on-in-villefranche-sur-mer-southeastern-france-july-28-2010-rousson-will-attend-the-upcoming-international-submarine-race-in-bethesda-in-maryland-usa-on-june-2011-reuterseric-gaillard-france-tags-environment-society-transport-2D24KER.jpg)