No backdrop availableUnsichtbare Brücken1932Documentary40mAugust 18, 1932 · GermanySave to watchlistMark as seenShareDetailsStatusReleasedRelease dateAugust 18, 1932Original languageGermanSpoken languagesGermanCountriesGermanyProductionCommerz-Film AG (Berlin)BudgetNot recordedRevenueNot recorded