<prompt> Bhala ukuqhubeka kwalesi sigaba - Wayesephakathi nokudubula idokhumentari ngePrague Spring yomkhiqizi waseMelika lapho ukuhlasela kweWarsaw Pact  <response>: kwenzeka. Wangenisa ngokungemthetho izithombe zakhe zokuhlasela eVienna, lapho zasakazwa khona kuthelevishini yase-Austria. Wahlela amafilimu kanye ne-Prague Spring documentary futhi wakhipha ifilimu ngokuthi Oratorio for Prague. Lwathola ukuma ngezinyawo emkhosini wamafilimu waseNew York ekwindla ka-1968. Ama-video kaNemec agcina esetshenziswa yizinhlangano zezindaba zamazwe ngamazwe ezingenakubalwa njengama-video okuhlasela. Ukuguqulwa kwefilimu kaPhilip Kaufman kwe- The Unbearable Lightness of Being 1988 kusetshenziswe izithombe ezivela kule filimu; I-Němec nayo yasebenza njengomeluleki. 