▲ 【신화/서울뉴스통신】
Children lay down on the floor to let a small robot roll past their bodies at the JPL open house in Los Angeles, the United States, on Oct. 10, 2015. The two-day open house of NASA's Jet Propulsion Laboratory (JPL) started on Saturday and expected to attract 20,000 people per day. snapress@snakorea.com
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