@CNN: These drones can go dangerous places humans can’t — and may even stop disasters from happening in the first place https://t.co/ZC409BxAyz https://t.co/bQwyId8B5o

@CNN: These drones can go dangerous places humans can’t — and may even stop disasters from happening in the first place https://t.co/ZC409BxAyz https://t.co/bQwyId8B5o