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Obstacle avoidance: The challenge for drone package delivery https://t.co/NhSHLlXpE9 via @Moral_time pic.twitter.com/UHSRhNmlu0

— Monica Dhungel (@DhungelMonica) January 18, 2017

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from Twitter https://twitter.com/DhungelMonica

January 17, 2017 at 08:46PM
via Moraltime