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Click 11/04/2015 GMT Clips

  1. The drone that can stream live to You Tube

    Duration: 01:13

  2. How to keep cables tidy with a loo roll

    Duration: 00:19

  3. The drone competition with $1m prize

    Duration: 04:33

  4. Drone racing in an Aerial Grand Prix

    Duration: 04:33