No backdrop availableLe royaume secret des singes2021DocumentaryJune 2, 2021 · China, United KingdomSave to watchlistMark as seenShareDetailsStatusReleasedRelease dateJune 2, 2021Original languageFrenchCountriesChina, United KingdomProductionMandarin Films Productions Ltd.,Earth Touch TVBudgetNot recordedRevenueNot recorded