No backdrop availableNo posterNormalisace1952DocumentaryJanuary 11, 1952 · CzechoslovakiaSave to watchlistMark as seenShareDetailsStatusReleasedRelease dateJanuary 11, 1952Original languageCzechSpoken languagesCzechCountriesCzechoslovakiaProductionStudio populárně vědeckých a naučných filmů PrahaBudgetNot recordedRevenueNot recorded