Wind turbines can be found all over the world, gracefully spinning and generating electricity to power entire communities. These structures look majestic and can feature blades hundreds of feet long.

Look up in the sky, it's a bird, it's a plane, it's ... a 20,000 cubic-meter power-generating airship, floating 6,560 ft (2,000 meters) above the ground. Introducing the S2000 stratospheric airborne ...