Flying a Tiny Drone to a Staggering 33000 Feet Gives You the Ultimate Bird's-Eye View

To ensure the safety of larger aircraft carrying pilots and passengers, unmanned aerial vehicles, or drones, can't be flown higher than 400 feet so they don't enter national airspace. Regulations in Russia, however, aren't as strict, enabling drone pilot Denis Koryakin to fly his homebuilt, 2.3-pound craft to ...