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UK Solena Malfermo. de EsperantoWeltkongress Barcelona Feierliche Erffnung des Universala Kongreso de Esperanto Blick ber das Auditorium pl wiatowy Kongres Esperantystw Barcelona Uroczyste otwarcie Widok na audytorium eo UK Barcelono Solena malfermo bildarchivaustria at aspx piBildID Bildarchiv Austria author other versions