i don't know how is it -- a night with geri.rones could transform our skies as we know them, making deliveries, watching over us and even saving lives. but as recent flight disruptions have taught us, there are also possible downsides from unwanted ones. last december, here at gatwick airport, chaos ensued. after reports of repeated drone sightings, a thousand flights were disrupted, 1a0,000 passengers affected and all of this was said to add up to a cost of £50 million. soon after, there was a similar scare at heathrow as well as at newark airport in the us. but how do we take down problem drones safely? well, dan simmons has been to the netherlands where the national police force is sponsoring a competition that hopes to find new ways of doing just that. in a hangar in the middle of nowhere in the netherlands. an epic air battle is about to commence. nine teams from across europe and america are trying to smash each other out of the sky and grab the 30,000 euros top prize in the title of the 2019 drone clash champions. all the