RT @dronucopia: Undersea Drones Dive Below Antarctica’s Ice https://t.co/w2W0Qgi6Vc https://t.co/2TTXsDjEVc

Undersea Drones Dive Below Antarctica’s Ice https://t.co/w2W0Qgi6Vc pic.twitter.com/2TTXsDjEVc

— Dronucopia (@dronucopia) December 4, 2017

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