United States

www.cnet.com US beats Japan in ultimate giant-robot smackdown - CNET

In the "first ever giant robot battle," mammoth machines from MegaBots and Suidobashi Heavy Industry fight for the world title using chainsaws, cannons and attack drones.
 2013  189

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www.theverge.com The USA vs. Japan giant robot duel showed that making giant robots is hardwww.theverge.com