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UK Vieno. de EsperantoWeltkongress Wien Massenfoto der Teilnehmer vor dem Rathaus pl wiatowy Kongres Esperantystw Wiede Wsplne zdjcie uczestnikw przed wiedeskim ratuszem eo UK Vieno Komuna foto anta la urbodomo bildarchivaustria at aspx piBildID Bildarchiv Austria author other versions Custom marker PDold World Esperanto