China’s New Large Solar-Powered Drone Reaches 20,000 Meters in Altitude

China’s first domestically designed large solar-powered unmanned plane reached above 20,000 meters in altitude on its test flight in the country’s northwest regions recently.

The drone was developed by the China Academy of Aerospace Aerodynamics (CAAA), it’s developers kept the exact size of the drone as a secret, but it is believed to be about 14 meters long with a 45 meter wingspan according to earlier prototypes.