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在苏联雅罗斯拉夫尔市举行的第三届全苏劳动人民创造成果联欢节上,有一家人乘着自制的摩托滑翔机,兴高采烈地去参加传统的业余爱好者设计的飞行器观摩比赛。
At the third Festival of Achievement for the All-Union Workers in Yaroslavl, the Soviet Union, a family rides in a traditional amateur-designed spacecraft ride on a homemade motor glider.