Osaka - Japon - Cartes postales de l'Expo70. Pavilion of Soviet Union - Architecte: M. Posokhin Theme, "Harmony of man and nature, harmony of individual and society", The dynalic and solid structure of this pavilion, conveying the image of numerous triangles, rises to a height of 100m above the ground, and is designed to dramatize the ceaseless progress of russian people.