Drones are proving to be more popular than ever. So join David Crookes as he looks at some of the best models and the legal problems surrounding unmanned aerial vehicles
There may well come a time, perhaps in the very near future, when a major city will see the whole sky blacken above it as drone after drone takes to the air. It will be reminiscent of the looming shadow cast by the spaceship over New York in the film Independence Day, only this shadow will be fragmented; a buzzing mass of whirring quadcopters battling for supremacy in the sky.