Home›Browse›black room🌐EnglishEnglishPortuguêsالعربيةفارسی中文EntityQ4922453· pop 5· linked from 11 articlesblack roomSign in to saveWikidata factsShow 1 more factdescribed by sourceEncyclopædia Britannica 11th editionvia Wikidata · CC0Available in 5 languages中文Portuguêsالعربيةفارسیvia Wikidata sitelinks · CC0