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All communications on the ground will paralyze completely after the large-scale natural disaster, people surviving do not have access to contact outside so as to gain help. Simultaneously, the relatives who evacuate can barely get in touch with them, and rescuers will feel confused as well. The arrow is designed as a small mobile communication base in case of emergency, which will be transported above the zone after a disaster , therefore restore the communications dramatically by transforming the countless bases into a network.
Dalian Minzu University