Korea. Pyongyang city. May Day demonstration of workers in Kim Il Sung Square. Crowded meeting. Deputy Prime Minister of the DPRK Park Chang Ok speaking. Among those standing on the podium are Choi Yong Chen, Park Den Ai, Ten Yong Phe and others. Top view of Pyongyang city. Boys and girls are dancing in the square. Guest tribune. Young men play national instruments. Demonstrators welcomed the leaders of the party and government, carry a model of the aircraft, carry portraits of Karl Marx and F. Engels.