The Infinite Brief

More than 30 Chinese military and government agencies have deployed the birdlike drones in at least five provinces in recent years.

Unlike an average drone, these machines are designed to fly by simulating the flight of a small bird. They look like birds, have a wingspan of about 50 centimeters and can fly at speeds of up to 40km/h, or 25 mph.

On board is a high-definition camera, GPS antenna, flight control system and data link with satellite communication capability.

The tech is still in its very early stages of development and can be hampered by strong winds, rain or snow, and is vulnerable to electromagnetic disturbance.