17 One-Man Submarines That Will Take Your Breath Away
The world got you down? Wish you could escape to somewhere calm, beautiful, and quiet? No problem! Just hop into one of these amazing one-man submersibles, take a deep breath, and propel yourself down into the deep blue sea. Serenity awaits. This is the Nordenfelt I, 1884 brainchild of Swedish inventor and industrialist Thorsten Nordenfelt…