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Can’t get these at home

Feb 09,2018
North Korean journalists walk past a tank of robotic fish on display at the International Broadcast Centre in Pyeongchang County, Gangwon, on Thursday. The fish are one of several South Korean robots being exhibited at the Olympics. The fish can swim for up to 16 hours on a single charge in waters as deep as 5 meters (16 feet). [YONHAP]