Home›Browse›Opus incertum🌐EnglishEnglishEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийالعربية한국어EntityQ1326603· pop 20· linked from 45 articlesOpus incertumSign in to saveancient Roman construction techniqueAvailable in 19 languagesEspañolFrançaisРусскийPortuguêsItalianoالعربيةCatalanCroatianEstonianFinnishNederlandsNorwegianPolskiRomanianSerbian (Latin)SlovenianSvenska한국어via Wikidata sitelinks · CC0